Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
676 Cards in this Set
- Front
- Back
- 3rd side (hint)
General Organization of the Nervous System: The Central Nervous system consists of the ____________ & _________.
|
Brain & Spinal Cord
|
|
|
General Organization of the Nervous System: This system consists of the brain and spinal cord.
|
Central Nervous System
|
|
|
General Organization of the Nervous System: The Peripheral Nervous system consists of ___________ and ______________________________.
|
Cranial nerves & All NS tissue other than the brain and spinal cord.
|
|
|
General Organization of the Nervous System: This system consists of cranial nerves & all NS other than the brain and spinal cord.
|
Peripheral Nervous System
|
|
|
What are the three layers of the MENINGES?
|
1.) Dura mater
2.) Arachnoid mater 3.) Pia mater |
DAP
|
|
The MENINGES has ____ layers.
|
3
|
|
|
The outermost layer of the MENINGES is the __________________.
|
Dura mater
|
|
|
The middle layer of the MENINGES is the __________________.
|
Archnoid mater
|
|
|
The innermost layer of the MENINGES is the ________________.
|
Pia mater
|
|
|
This layer of the MENINGES is made of tough, white dense connective tissue.
|
Dura mater
|
|
|
This layer of the MENINGES lines the inner surface of the skull, covers the spinal cord and is continuous with the outer CT of the nerves.
|
Dura mater
|
|
|
The Dura mater is made of tough, white ___________________.
|
dense connective tissue
|
|
|
The Dura mater lines the inner surface of the ________, covers the _____________ and is continuous with the outer _______ of the nerves.
|
skull; spinal cord; CT
|
|
|
This layer of the MENINGES has projections which partition the cranial cavity which serves to reduce motion.
|
Dura mater
|
|
|
The Dura mater has projections which partition the _____________ which serves to reduce motion.
|
Cranial Cavity
|
|
|
The Dura mater has projections which partition the cranial cavity which serves to reduce ___________.
|
Motion
|
|
|
The Dura mater has ______________ which partition the cranial cavity which serves to reduce movement.
|
Projections
|
|
|
When dura to t attaches to the spinal cord by means of projections of the pia matter is called...
|
Dentate Ligaments
|
|
|
In the spine, these function to hold the spinal cord in place.
|
Dentate Ligaments
|
|
|
Dentate Ligaments function to hold the _________ in place.
|
Spinal Cord
|
|
|
Dura mater--> This anchors the distal end of the spinal cord to the coccyx.
|
Filum terminale
|
|
|
Dura mater--> The filum terminale anchors the distal end of the spinal cord to the _________.
|
Coccyx
|
|
|
Dura mater--> The filum terminale anchors the distal end of the ________ to the coccyx.
|
Spinal Cord
|
|
|
Dura mater --> The _________________ anchors the distal end of the spinal cord to the coccyx.
|
Filum terminale
|
|
|
T/F: The dura is immediately anterior to to the arachnoid mater.
|
FALSE. SUPERFICIAL,
|
|
|
The dura is immediately _________ to the arachnoid mater.
|
Superficial
|
|
|
The _______________ is between the dura mater and the vertebral canal surface and is the site of "epidural injections" often utilized in child birth.
|
Epidural Space
|
|
|
This is between the dura mater and the vertebral canal surface and is the site of epidural injections often utilized in child birth.
|
Epidural Space
|
|
|
This layer of the MENINGES attaches to the inner surface of the dura mater.
|
Arachnoid Mater
|
|
|
This layer of the MENINGES lack blood vessels, but has a web-like character in which is contained and flows CSF.
|
Arachnoid Mater
|
|
|
Arachnoid Mater lacks ________________.
|
Blood Vessels
|
|
|
Arachnoid mater has a ____________ character in which is contained and flows CSF.
|
web-like
|
|
|
Arachnoid mater has a web-like character in which is contained and flows ____.
|
CSF
|
|
|
CSF stands for
|
Cerebral Spinal Fluid
|
|
|
CSF is withdrawn in a _________________ for analysis.
|
Spinal tap
|
|
|
The web-like, fluid filled space between the arachnoid and the pia is the ___________________.
|
Subarachnoid space
|
|
|
The Subarachnoid space, is the web-like, fluid filled space between the ____________ & the ____________.
|
arachnoid and the pia
|
|
|
This layer of the MENINGES contains many nerves and blood vessels and attaches these structures to the brain and cord.
|
Pia mater
|
|
|
The Pia mater attaches ____________ & ________________ to the brain and spinal cord.
|
Nerves & Blood vessels
|
|
|
The Pia mater attaches the nerves and blood vessels to the ___________ & ____________.
|
Brain & Spinal cord
|
|
|
This layer of the MENINGES covers all of every surface in the CNS, including the central canal.
|
Pia mater
|
|
|
This layer of the MENINGES attaches directly to the brain and spinal cord.
|
Pia mater
|
|
|
This is produced by epidymal cells of the choroid plexuses of the ventricles.
|
CSF
|
|
|
CSF is produced by ______ cells of the choroid plexuses of the ventricles.
|
epidymal cells
|
|
|
CSF is produced by epidymal cells of the _________ plexuses of the ventricles.
|
choroid
|
|
|
CSF is produced by epidymal cells of the choroid _______ of the ventricles.
|
plexuses
|
|
|
CSF is produced by epidymal cells of the choroid plexuses of the __________.
|
ventricles
|
|
|
This circulates through the central nervous system through ventricles & ducts.
|
CSF
|
|
|
Interconnected, fluid filled cavities inside of the brain.
|
Ventricles
|
|
|
Ventricles are interconnected, _______ filled cavities inside of the brain.
|
fluid
|
|
|
Ventricles are interconnected, fluid filled ___________ throughout the brain.
|
cavities
|
|
|
Ventricles are interconnected, fluid filled cavities throughout the ______.
|
brain
|
|
|
The largest two ventricles are the ____________ ventricles which are somewhat C shaped.
|
Lateral
|
|
|
The largest two ventricles are the lateral ventricles which are somewhat ____ shaped.
|
C
|
|
|
Where are the two largest "C" shaped ventricles located?
|
In the right and left hemisphere of the brain.
|
|
|
Located in the midline of the brain and connects to lateral ventricles by the interventricular foramen.
|
Third ventricle
|
|
|
The third ventricle is located in the ________ of the brain and connects to lateral ventricles by the interventricular foramen.
|
midline
|
|
|
The third ventricle is located in the midline of the brain and connects to lateral ventricles by the __________________.
|
Interventricular Foramen
|
|
|
The third ventricle is located in the midline of the brain and connects to ______________ by the interventricular foramen.
|
Lateral ventricles
|
|
|
The third ventricle drains into the fourth ventricle via the __________________.
|
Cerebral Aqueduct
|
|
|
The ____ ventricle drains into the _____ ventricle via the Cerebral Aqueduct.
|
3rd --> 4th
|
|
|
This ventricle opens into the central canal.
|
4th
|
|
|
The fourth ventricle opens into the ___________.
|
central canal
|
|
|
A small duct in the center of the spinal cord and the median and lateral apetures which also lead to the subarachnoid space.
|
Central Canal
|
|
|
The Central Canal is a small duct in the center of the _________ and the median and lateral apetures which also lead to the subarachnoid space.
|
Spinal Cord
|
|
|
The Central Canal is a small duct in the center of the spinal cord and the ________ and lateral apetures which also lead to the subarachnoid space.
|
Median
|
|
|
The Central Canal is a small duct in the center of the spinal cord and the median and lateral apetures which also lead to the __________________.
|
Subarachnoid space
|
|
|
CSF occupies and flows through the __________________ and bathes, nourishes and suspends the entire central nervous system in a sort of hydraulic shock absorbing system.
|
Subarachnoid space
|
|
|
______ occupies and flows through the subarachnoid space and bathes, nourishes and suspends the entire central nervous system in a sort of hydraulic shock absorbing system.
|
CSF
|
|
|
The epidural space is between the __________ and the ______ _______ _______ and is the site of "epidural injections" often utilized in childbirth.
|
Dura Mater and the Vertebral Canal Surface.
|
|
|
The ___________ is between the dura mater and the vertebral canal surface and is the site of "epidural injections" often utilized in childbirth.
|
Epidural Space
|
|
|
The Epidural Space is between the Dura Mater and the Vertebral Body Canal and is the site of "_________ _______" often utilized in childbirth.
|
"Epidural Injections"
|
|
|
The epidural space is between the Dura Mater and the Vertebral Body Canal and is the site of "Epidural Injections" often utilized in ____________.
|
Childbirth
|
|
|
After circulating through the CNS, CSF exits through the _____________ ___________ into the Dural Sinuses which return this fluid to the blood from whence it came.
|
Arachnoid Granulations
|
|
|
After circulating through the CNS, CSF exits through the Arachnoid Granulations into the _________ ________ which returns this fluid to the blood from whence it came.
|
Dural Sinuses
|
|
|
After circulating through the CNS, CSF exits through the Arachnoid Granulations into the Dural Sinuses which returns this fluid to the _________ from whence it came.
|
Blood
|
|
|
3 Functions of CNS
|
To protect, nourish and provide waste removal for the CNS
|
PNP
|
|
This fluid's function is to protect, nourish and provide waste removal for the CNS.
|
CSF
|
|
|
The withdrawal of CSF by needle in the lumbar spine from the subarachnoid space.
|
Spinal Tap
|
|
|
Spinal tap is tested for _______, WBC's and other abnormalities.
|
RBC's
|
|
|
Spinal tap is tested for RBC's, ______ and other abnormalities.
|
WBC's
|
|
|
Spinal tap is tested for _____________, ___________ and other ____________.
|
RBC's, WBC's, Abnormalities
|
|
|
Spinal tap is the withdrawal of _____ by needle in the lumbar spine from the subarachnoid space.
|
CSF
|
|
|
Spinal tap is the withdrawal of CSF in the ________ _______ from the subarachnoid space.
|
Lumbar Spine
|
|
|
Spinal tap is the withdrawal of CSF in the Lumbar Spine from the _____________ ______________.
|
Subarachnoid Space
|
|
|
A slender column of solid nervous tissue with a small central canal running its length.
|
Spinal Cord
|
|
|
Consists of 31 segments, each of which give rise to a pair (one R and one L) spinal nerves.
|
Spinal Cord
|
|
|
The Spinal Cord is a slender column of ______ nervous tissue with a small central canal running its length.
|
solid
|
|
|
The Spinal Cord is a slender column of solid nervous tissue with a small _______ ________ running its length.
|
central canal
|
|
|
The Spinal Cord consists of ________ segments, each of which give rise to a pair (one R and one L) spinal nerves.
|
31 segments
|
|
|
TRUE/FALSE: The Spinal Cord Consists of 31 Segments.
|
True
|
|
|
TRUE/FALSE: Not every segment of the spinal cord gives rise to a pair of spinal nerves.
|
False
|
|
|
What are the two areas of greater thickness in the spinal cord?
|
Cervical Enlargement & Lumbar Englargement
|
|
|
The cervical & lumbar enlargement in the spinal cord are the two areas of greater ____________.
|
Thickness
|
|
|
An area of greater thickness in the spinal cord from which arise the spinal nerves of the brachial plexus.
|
Cervical Enlargement
|
|
|
An area of greater thickness in the spinal cord that supplies the upper limbs and pectoral girdle.
|
Cervical Enlargement
|
|
|
An area of greater thickness in the spinal cord from which arises the spinal nerves of the lumbar and sacral plexuses.
|
Lumbar Enlargement
|
|
|
An area of greater thickness in the spinal cord that supplies the lower limbs and pelvic girdle.
|
Lumbar Enlargement
|
|
|
Cervical Enlargement, From which arise the spinal nerves of the ____________ _________________.
|
Brachial Plexus
|
|
|
Lumbar Enlargement, From which arise the spinal nerves of the ___________ & ________________ ________.
|
Lumbar and Sacral Plexus
|
|
|
The purpose of the two enlargements (cervical & lumbar) of the spine is to facilitate the ____________ activities of the many and highly complex structures that must be adequately innervated.
|
Neurological
|
|
|
The portion of the cord inferior to the lumbar enlargement that tapers to a point.
|
Conus Medularis
|
|
|
TRUE/FALSE: The Conus Medularis is the portion of the cord superior to the lumbar enlargment that tapers to a point.
|
Inferior
|
|
|
This attaches the Conus Medularis to the superior surface of the coccyx by a cord-like structure called the _______________.
|
Filum Terminale
|
|
|
Conus Medularis is attached to the superior surface of the ____________ by a cord-like structure called the ________ _____________ which anchors the distal end of the cord.
|
Coccyx, Filum Terminale
|
|
|
Conus Medularis is attached to the superior surface of the coccyx by a cord-like structure called the Filum Terminale, which _____ the distal end of the cord.
|
Anchors
|
|
|
TRUE/FALSE: The actual spinal cord extends only to about the inferior margin of R2.
|
FALSE: L1
|
|
|
From this arise a group of spinal nerves that resemble the tail of a horse, called the Cauda Equina. Latin for "horse's tail."
|
Conus Medularis
|
|
|
From the conus medularis arise a group of spinal nerves that resemble the tail of a horse, called the _______________ __________. Latin for horse's tail.
|
Cauda Equina
|
|
|
The space that appears to contain only CSF in the lower lumbar canal actually is quite full of the spinal nerves of the cauda equina, which gives rise to the ______________ and ______________ ____________.
|
Lumbar and Sacral plexuses
|
|
|
The space that appears to contain only CSF in the lower lumbar canal actually is quite full of the spinal nerves of the ___________ __________, which gives rise to the Lumbar and Sacral plexuses.
|
Cauda Equina
|
|
|
The nerves of the Cauda Equina exit the _______________ ______________ just as they would if the cord were present.
|
Intervertebral Foramina
|
|
|
What are the two groves of the Spinal Cord?
|
Anterior Median Fissure & Posterior Median Sulcus
|
|
|
The anterior median fissure and the posteriar median sulcus are the two __________ of the spinal cord.
|
grooves
|
|
|
This groove of the spinal cord divides the front part of the cord into right and left halves.
|
Anterior Median Fissure
|
|
|
TRUE/FALSE: The Anterior Median Fissure is the groove of the spinal cord that divides the back part of the cord into right and left halves.
|
False (FRONT)
|
|
|
This groove of the spinal cord divides the back part of the cord into right and left halves.
|
Posterior Median Fissure
|
|
|
Butterfly-shaped grey matter in the cord are termed anterior, lateral and __________ horns.
|
Posterior
|
|
|
Butterfly-shaped grey matter in the cord are termed anterior, _________, and posterior horns.
|
Lateral
|
|
|
Butterfly-shaped grey matter in the cord are termed ___________, lateral and posterior horns.
|
Anterior
|
|
|
Butterfly-shaped grey matter in the cord are termed anterior, lateral and posterior _________.
|
Horns
|
|
|
Butterfly-shaped grey matter in the cord that contains mostly interneurons.
|
Anterior Horns
|
|
|
Butterfly-shaped grey matter in the cord that contains anterior horn cells.
|
Anterior Horns
|
|
|
Butterfly-shaped grey matter in the cord, Anterior Horns, which contain anterior horn cells which are classified as ___________ ___________ __________ and whose axons innervate the skeletal muscles.
|
Lower motor neurons
|
|
|
Butterfly-shaped grey matter in the cord that is more associated with sensory functions. This is also where the sensory nerve enters the spinal cord and whose axons go to the reflexes or brain.
|
Posterior Horns
|
|
|
The narrow structure of grey matter that connects the horns together.
|
Gray Commissure
|
|
|
Gray Commissure is the narrow structure of gray matter that connects the ________ together.
|
Horns
|
|
|
The opening of the spinal cord that travels the length of the cord peircing the Gray Commissure.
|
Central Canal
|
|
|
Continuous with the fourth ventricle and is line with the pia mater.
|
Central Canal
|
|
|
CSF flows through this.
|
Central Canal
|
|
|
This is made up of myelinated axons that travel up and down the cord.
|
White matter
|
|
|
White matter is made up of __________ _________ that travel up and down the cord.
|
Myelinated Axons
|
|
|
This is divided into sections called anterior, lateral or posteriors columns. (Funiculi)
|
White Matter
|
|
|
White matter is divided into sections called anterior, lateral and posterior ________ (Funiculi)
|
Columns
|
|
|
White matter is divided into sections called ___________, ________ and __________ columns or funiculi.
|
Anterior, Lateral or Posterior
|
|
|
Each column of white matter is made up of longitudal bundles of myelinated nerve fibers called ________.
|
Tracts
|
|
|
Each colum of white matter is made up of __________ _________ of myelinated nerve fibers called tracts.
|
Longitudal Bundles
|
|
|
Each column of white matter is made up of longitudal bundles of ____________ _________ __________ called tracts.
|
Myelinated nerve fibers
|
|
|
These comprise major nerve pathways between the brain and spinal cord.
|
Tracts
|
|
|
What are the two functions of the Spinal Cord?
|
1) Center for spinal reflexes
2) Conduit for nerve impulses to and from the brain |
CC
|
|
Many reflexes do not go to the brain but are mediated by the ______________.
|
Spinal Cord
|
|
|
TRUE/FALSE: Many reflexes do not go to the brain but are mediated by the Spinal Cord.
|
TRUE
|
|
|
The autonomic, involuntary responses to either internal or external stimuli.
|
Reflexes
|
|
|
These help to keep us upright, coordinated and safe.
|
Reflexes
|
|
|
TRUE/FALSE: Reflexes are somatic, voluntary responses to either internal or external stimuli.
|
FALSE: AUTONOMIC & INVOLUNTARY
|
|
|
A simple reflex is __________________, (knee-jerk/deep tendon).
|
Monosynaptic
|
|
|
A _______ reflex is monosynaptic (knee-jerk/deep tendon)
|
Simple
|
|
|
A simple reflex is monosynaptic, (_____-______/deep tendon)
|
Knee Jerk
|
|
|
A simple reflex is monosynaptic, (Knee-jerk/_____ ______)
|
Deep Tendon
|
|
|
Another type of reflex is the withdrawl to pull away from _______ --> nonreceptors mediated.
|
Injury
|
|
|
Another type of reflex is the withdrawl to pull away from injury --> ___________ mediated.
|
Nonreceptors
|
|
|
Third type of reflex is when the crossed extensor connects to the opposite side of the something to support weight or pull away but it doesn't fucking tell you in the notes what its attached to.
|
No solution.
|
|
|
Components of the Simple Reflex Arc: The site of stimulis action where a sensory action potential is generated.
|
Receptor
|
|
|
A receptor is the site of _______ action where a sensory action potential is generated.
|
Stimulis
|
|
|
A receptor is the site of stimulis action where a __________ action potential is generated.
|
sensory
|
|
|
A receptor is the site of stimulis action where a sensory action potential is ____________.
|
generated
|
|
|
A receptor is the site of stimulis action where a _________ _______ _______ is generated.
|
sensory action potential
|
|
|
Conveys the impulse to the integration system.
|
Sensory Neuron
|
|
|
Sensory neurons convey the ______ to the integration system.
|
Impulse
|
|
|
Sensory neurons convey the impulse to the _______ ________.
|
Integration System
|
|
|
Usually a group of interneurons that process the input for proper response.
|
Integration Center
|
|
|
The Integration Center is usually a group of ___________ that process the input for proper response.
|
Interneurons
|
|
|
The Integration Center is usually a group of interneurons that process the _____ for proper response.
|
Input
|
|
|
The Integration Center is usually a group of interneurons that process the input for proper _________.
|
Response
|
|
|
Conveys the responding impulse to the effector. (Usually a muscle or gland)
|
Motor Neuron
|
|
|
A Motor Neuron conveys the responding impulse to the ____________. Usually a muscle or gland.
|
Effector
|
|
|
A motor neuron conveys the responding impulse to the effector. Usually a __________ or ________.
|
muscle or gland
|
|
|
Usually a muscle that carries out the reflex action.
|
Effector
|
|
|
The effector is usually a _________ that carries out the reflex action.
|
Muscle
|
|
|
The effector is usually a muscle that carries out the __________ _______.
|
reflex action
|
|
|
(Effector) Additional synapses with __________ ___________ connected with the Ascending Tracts carry the event of the reflex activity to the brain for conscious recognition.
|
Association Neurons
|
|
|
(Effector) Additional synapses with Association Neurons connected with the ___________ ____________ carry the event of the reflex activity to the brain for conscious recognition.
|
Ascending Tracts
|
|
|
(Effector) Additional synapses with Association Neurons connected with Ascending Tracts carry the event of the ________ _______ to the brain for conscious recognition.
|
reflex activity
|
|
|
(Effector) Additional synapses with Association Neurons and Ascending Tracts carry the event of the reflex activity to the ______ for conscious recognition.
|
Brain
|
|
|
(Effector) Additional synapses with Association Neurons connected with Ascending Tracts carry the event of the reflex activity to the brain for ____________ _________.
|
Conscious Recognition
|
|
|
(Ascending and Descending Tracts) TRUE/FALSE: All fibers above the anterior horn cells are classified as upper motor neurons.
|
TRUE
|
|
|
(Ascending and Descending Tracts) All _________ above the anterior horn cells are classified as upper motor neurons.
|
Fibers
|
|
|
(Ascending and Descending Tracts) All fibers above the _______ _______ __________ are classified as upper motor neurons.
|
Anterior Horn Cells
|
|
|
(Ascending and Descending Tracts) All fibers above the anterior horn cells are classified as _________ ___________ ____________.
|
Upper Motor Neurons
|
|
|
(Ascending and Descending Tracts) TRUE/ FALSE: All fibers distal to and outward from the spinal cord, and including anterior horn cells are classified as upper motor neurons.
|
FALSE: Lower Motor Neurons
|
|
|
(Ascending and Descending Tracts) All fibers distal to and outward from the spinal cord, and including _________ ________ __________ are classified as lower motor neurons.
|
Anterior Horn Cells
|
|
|
(Ascending and Descending Tracts) All fibers distal to and outward from the spinal cord, and including anterior horn cells are classified as ________ __________ __________.
|
Lower motor neurons
|
|
|
(Ascending and Descending Tracts) The posterior of the brain, spinal cord and dorsal nerve roots are generally (motor/sensory) in function.
|
Sensory
|
|
|
(Ascending and Descending Tracts) The anterior of the brain, spinal cord, and ventral nerve roots are generally (motor/sensory) in function.
|
Motor
|
|
|
(Ascending and Descending Tracts) TRUE/FALSE: The tracts are somewhat mixed, but in general adhere to the posterior/anterior orientation.
|
TRUE
|
|
|
_________ ____________ conduct sensory impulses to the brain for processing.
|
Ascending Tracts
|
|
|
Ascending Tracts conduct ________ impulses to the brain for processing.
|
Sensory
|
|
|
Ascending Tracts conduct sensory impulses ___ the brain for processing.
|
To
|
|
|
Ascending Tracts conduct _________ impulses ___ the brain for processing.
|
Sensory; To
|
|
|
Fasiculi, gracilis and cuneatus, spinothalamic and spinocerebellar tracts are all examples of ____________ ___________.
|
Ascending Tracts
|
|
|
Almost all impulses going to the brain are __________ and get their via __________ _____________.
|
Ascending Tracts
|
|
|
Almost all impulses going ____ the brain are sensory and get their via ___________ _________.
|
Ascending Tracts
|
|
|
Almost all impulses going to the brain are __________ and get their through the ascending tracts.
|
Sensory
|
|
|
All tracts that begin with the prefix "_______" are ascending, and therefore sensory because they go to the brain.
|
Spino
|
|
|
All tracts that begin with the prefix "Spino" are ________ and therefore _______ because they go to the brain.
|
Ascending; Sensory
|
|
|
Fasciculus Gracilis and ____________ ______________ both conduct sensory input from the skin that are interpreted as touch pressure and body movement.
|
Fasciculus Cuneatus
|
|
|
_________ _________ and Fasciculus Cuneatus both conduct sensory input from the skin that are interpreted as touch pressure and body movement.
|
Faciculus Gracilis
|
|
|
Fasiculus Gracilis and Fasciculus Cuneatus both conduct _______ input from the skin that are interpreted as touch pressure and body movement.
|
Sensory
|
|
|
Fasciculus Gracilis and Fasciculus Cuneatus both conduct sensory impulses from the _________ interpreted as touch pressure and body movement.
|
Skin
|
|
|
Fasciculus Gracilis and Fasciculus Cuneatus both conduct sensory impulses from the skin known as _____________ __________ and body movement.
|
Touch Pressure
|
|
|
Fasciculus Gracilis and Fasciculus Cuneatus both conduct sensory impuses from the skin that are interpreted by touch pressure and _________ _______.
|
Body Movement
|
|
|
Fasiculus Gracilis and Fasciculus Cuneatus both conduct sensory impulses from the skin that are interpreted as ___________ __________ and __________ ____________.
|
Touch Pressure and Body Movement
|
|
|
_________________ tracts cross over in the cord and give rise to sensations of pain and temperature.
|
Spinothamatic
|
|
|
Spinothamatic tracts cross over in the cord and give rise to sensations of _______ and _______.
|
Pain and Temperature
|
|
|
Spinothamatic tracts ______ ________ in the cord and give rise to the sensations of pain and temperature.
|
Cross Over
|
|
|
_____________ tracts DO NOT cross over in the cord, their impulses originate in the muscles of the lower limbs and coordinate muscular movement.
|
Spinocerebellar
|
|
|
Spinocerebellar tracts DO NOT _____ ____ in the cord, their impulses originate in the muscles of the lower limbs and coordinate muscular movements.
|
Cross Over
|
|
|
Spinocerebellar tracts DO NOT cross over in the cord, their impulses originate in the ______ of the lower limbs and coordinate ________ movements.
|
Muscles, Muscular
|
|
|
Spinocerebellar tracts DO NOT cross over in the cord, their impulses originate in the muscles of the __________ _________ and ________ muscular movements.
|
Lower Limbs; Coordinate
|
|
|
Spinocerebellar tracts and Spinothamatic tracts are part of ___________ _________.
|
Ascending Tracts
|
|
|
__________ __________ are those which conduct motor impulses from the brain to the effectors.
|
Descending Tracts
|
|
|
Descending Tracts are those which conduct ______ impulses from the brain to the effectors.
|
Motor
|
|
|
Descending Tracts are those which conduct motor impulses ______ the brain to the effectors.
|
From
|
|
|
Descending Tracts are those which conduct motor impulses from the ________ to the effetors.
|
Brain
|
|
|
Descending Tracts are those which conduct motor impulses from the brain to the ____________.
|
Effectors
|
|
|
Descending Tracts are those which conduct motor impulses from the _________ to the ___________.
|
Brain --> Effectors
|
|
|
Corticospinal, reticulospinal and rubrospinal tracts are part of ____________ ________.
|
Descending Tracts
|
|
|
Almost all impulses going from the brain are motor and get there via __________ ___________.
|
Descending Tracts
|
|
|
Almost all impulses going ______ the brain are motor and get there via Descending Tracts.
|
From
|
|
|
Almost all impulses going from the brain are ______ and get there via Descending Tracts.
|
Motor
|
|
|
Almost all impulses going from the brain are _______ and get there via _______________.
|
Motor; Descending tracts
|
|
|
All tracts that begin with a prefix that names part of the ______ are descending and therefore motor and go from the brain down the spinal cord.
|
Brain
|
|
|
All tracts that begin with a prefix that names part of the brain are ___________, and therefore motor and go from the brain down into the cord.
|
Descending
|
|
|
All tracts that begin with a prefix that names part of the brain are descending and therefore ________ and go from the brain down into the cord.
|
Motor
|
|
|
All tracts that begin with a prefix that names part of the brain are called descending and therefore motor and go from the ________ down into the _________.
|
Brain --> Cord
|
|
|
All tracts that begin with a prefix that names part of the brain are called __________ and therefore _______ and go from the brain down into the spinal cord.
|
Descending; Motor
|
|
|
Corticospinal tracts-- fibers cross over (decussate) in the lower medulla oblangata and conducts impulses from the _____________ __________ to the skeletal muscles resulting in voluntary movement.
|
Cerebral Cortex
|
|
|
Corticospinal tracts -- fibers cross over (decussate) in the lower medulla oblangata and conducts impulses from the cerebral cortex to the ___________ ____________ which results in Voluntary movement.
|
Skeletal Muscles
|
|
|
Corticospinal tracts -- fibers cross over (decussate) in the lower medulla oblangata and conducts impulses from the ___________ __________ to the ___________ __________ resulting in Voluntary Movement.
|
Cerebral Cortex --> Skeletal Muscles
|
|
|
Corticospinal tracts -- fibers cross over in the medulla oblangata and conducts impulses from the cerebral cortex to the skeletal muscles resulting in __________ ______________.
|
Voluntary Movement
|
|
|
Corticospinal tracts -- fibers cross over in the __________ _____________ and conducts impulses from the cerebral cortex to the skeletal muscles resulting in voluntary movement.
|
Medulla Oblangata
|
|
|
Fibers that cross over in the medulla oblangata and conducts impulses from the cerebral cortex to the skeletal muscles resulting in voluntary movement.
|
Corticospinal tracts
|
|
|
Corticospinal tracts are also called ___________ tracts.
|
Pyramidal tracts
|
|
|
Pyramidal tracts is another name for __________ tracts.
|
Corticospinal
|
|
|
(Some fibers decussate and others do not) These fibers conduct motor impulses from the brain to control muscle tone and sweat glands.
|
Reticulospinal Tracts
|
|
|
Reticulospinal Tracts --> (Some fibers decussate and others do not) These fibers conduct motor impulses from the brain to control ____________ __________ and _____________ _______________.
|
Muscle Tone & Sweat Glands
|
|
|
Cross over in the brain, travel through the lateral funiculi and carry motor impulses from the brain to skeletal muscles to coordinate and control posture.
|
Rubrospinal Tracts
|
|
|
Rubrospinal Tracts cross over in the brain, travel through the lateral funiculi and carry _________ impulses from the brain to skeletal muscles to coordinate and control posture.
|
Motor
|
|
|
Rubrospinal Tracts cross over in the brain, travel through the lateral funiculi and carry motor impulses from the brain to ____________ to coordinate and control posture.
|
Skeletal Muscles
|
|
|
Rubrospinal Tracts cross over in the brain, travel through lateral funiculi and carry motor impulses from the brain to the skeletal muscles to _____________ and control ___________.
|
Coordinate & Control Posture
|
|
|
(Anatomical Terms For The Brain) A grouping of neuron cell bodies inside the CNS.
|
Nucleus
|
|
|
(Anatomical Terms for The Brain) The Nucleus is a grouping of ______ ________ ________ inside the CNS.
|
Neuron Cell Bodies
|
|
|
(Anatomical Terms For The Brain) The Nucleus is a grouping of neuron cell bodies inside the _____.
|
CNS
|
|
|
(Anatomical Terms For The Brain) The nucleus is a grouping of neuron cell bodies _______ the CNS.
|
INSIDE
|
|
|
(Anatomical Terms For The Brain) A grouping of neuron cell bodies outside the CNS.
|
Ganglion
|
|
|
(Anatomical Terms For The Brain) A Ganglion is a grouping of neuron cell bodies ________ the CNS.
|
OUTSIDE
|
|
|
(Anatomical Terms For The Brain) A Ganglion is a grouping of _________ _______ _________ outside the CNS.
|
Neuron Cell Bodies
|
|
|
(Anatomical Terms For The Brain) A Ganglion is a grouping of neuron cell bodies outside the _______.
|
CNS
|
|
|
(Anatomical Terms For The Brain) A network of interlaced nerves (blood vessels) outside the CNS and occurs only in the PNS (it is a complex of nerves where they combine together redistribution their fibers among themselves in an orderly manner and then branch out differently to form a greater number of distinct nerves)
|
Plexus
|
|
|
(Anatomical Terms For The Brain) The Plexus is a network of interlaced nerves (________ ______) outside the CNS and occur only in the PNS.
|
Blood Vessels
|
|
|
(Anatomical Terms For The Brain) The Plexus is a network of _________ __________ (blood vessels) outside the CNS and occurs only in the PNS.
|
Interlaced Nerves
|
|
|
(Anatomical Terms For The Brain) The Plexus is network of interlaced nerves (blood vessels) that occur _______ the CNS and occurs only in the _____.
|
OUTSIDE, PNS
|
|
|
(Anatomical Terms For The Brain) The Plexus is a network of interlaced nerves (blood vessels) that occur outside the _____ and occurs only in the _____.
|
CNS --> PNS
|
|
|
The cerebrum is divided into ________ and ________ hemisphers by the longitudinal fissure.
|
Right & Left
|
|
|
The cerebrum is divided into right and left hemispheres by the __________ __________.
|
Longitudal Fissure
|
|
|
The cerebrum is divided into right and left hemispheres by the __________ ___________.
|
Longitudal Fissure
|
|
|
The right and left hemispheres are __________ and stabalized by an extention of the menigenges.
|
Separated By
|
|
|
An extention of the meninges (duramater)
|
Falx Cerebri
|
|
|
(Structure of the Cerebrum) Known as a fissure of which the longitudal fissure serves as example.
|
Very Deep Groove
|
|
|
(Structure of the Cerebrum)
(Structure of the Cerebrum) The Very Deep Groove is known as a _________ of which the longitudal fissure serves as example. |
Fissure
|
|
|
(Structure of the Cerebrum)
The Very Deep Groove is known as a fissure of which the ___________ __________ serves as example. |
Longitudal Fissure
|
|
|
(Structure of the Cerebrum) Known as a sulcus of which the ventral sulcus serves as an example.
|
Shallow Groove
|
|
|
(Structure of the Cerebrum) The Shallow Groove is known as a ________ of which the ventral sulcus serves as an example.
|
Sulcus
|
|
|
(Structure of the Cerebrum) The Shallow Groove is known as a sulcus of which the __________ ___________ serves as an example.
|
Ventral Sulcus
|
|
|
(Structure of the Cerebrum) (Shallow Groove) Major ________ divide each hemisphere into lobes.
|
Sulci
|
|
|
(Structure of the Cerebrum) (Shallow Groove) Major sulci divide each hemisphere into ____________.
|
Lobes
|
|
|
(Strucure of the Cerebrum) (Shallow Groove) The distinction between the parietal lobes is more __________ than _________, as it does not have a defining sulcus.
|
Functional than Anatomical
|
|
|
(Structure of the Cerebrum) (Shallow Groove) The distinction between the parietal lobes is more functional than anatomical, as it does not have a defining ____________.
|
Sulcus
|
|
|
(Structure of the Cerebrum) (Shallow Groove) Smooth, irregular elevated area is known as a
|
Convolution
|
|
|
(Structure of the Cerebrum) (Shallow Groove) The combination of the _________ and __________ create the brain's characteristic appearance.
|
Sulci & Convoltions
|
|
|
What is your least favorite class you ever took?
|
Zoology 171
|
|
|
(Structure of the Cerebrum) The cerebrum is separated from the cerebellum by the _________________.
|
Transverse Fissure
|
|
|
(Structure of the Cerebrum) TRUE/FALSE: The cerebrum is the smallest part of the brain.
|
FALSE --> LARGEST
|
|
|
The largest part of the brain.
|
Cerebrum
|
|
|
(Structure of the Cerebrum) Hemispheres are connected by a bridge of nerve fibers called ____________.
|
Corpus Callosum
|
|
|
(Structure of the Cerebrum) Hemisphers are connected by a bridge of ________ _________ called Corpus Callosum.
|
Nerve Fibers
|
|
|
(Structure of the Cerebrum) __________ are connected by a bridge of nerve fibers called corpus callosum.
|
Hemisphers
|
|
|
(Structure of the Cerebrum) Where is the corpus callosum located?
|
at the bottom of the longitudal fissure
|
|
|
(Structure of the Cerebrum) What is located at the bottom of the longitudal fissure?
|
Corpus Callosum
|
|
|
(Structure of the Cerebrum) Many ridges are present on the surface of the brain called ____________ that serve to increase the surface area, and therefore the extent of cortex that may be present.
|
Convolutions
|
|
|
(Strucure of the Cerebrum)
Many ridges are present on the surgace of the brain called Convolutions that serve to increase the _________ ______, and therefore the extent of the cortex that may be present. |
Surface Area
|
|
|
Named for the major cranial bones under which they lie.
|
Lobes of the Cerebral Hemispheres
|
|
|
(Lobes of the Cerebral Hemispheres) "The Thinker"
|
Frontal Lobe
|
|
|
(Lobes of the Cerebral Hemispheres) Located at the anterior aspect of the frontal lobe.
|
Frontal Lobe
|
|
|
(Lobes of the Cerebral Hemispheres) Extends posteriorly to the central sulcus and postcrolatcrally to temporal lobe at the lateral sulcus.
|
Frontal Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Functions in conscious awareness, pre-motor and motor activities.
|
Frontal Lobe
|
|
|
The frontal lobe functions in ________ ________, pre-motor and motor activities.
|
Conscious Awareness
|
|
|
The frontal lobe functions in conscious awareness, ____-_____ and motor activities.
|
Pre-Motor
|
|
|
The frontal lobe functions in conscious awareness, pre-motor and ______ activities.
|
Motor
|
|
|
(Lobes of the Cerebral Hemisphere) The "Feeler" or Sensor"
|
Parietal Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Located posterior to the central sulcus over the posterior aspect of the cerebrum to a 45 degree angle.
|
Parietal Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Extends laterally and inferiorly to the region of the lateral sulcus.
|
Parietal Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Functions in the processing of sensory input from the body in general.
|
Parietal Lobe
|
|
|
The parietal lobe functions in the processing of ________ input from the body in general.
|
Sensory
|
|
|
(Lobes of the Cerebral Hemisphere) The "Listener"
|
Temporal Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Located deep to the temporal bone and ears.
|
Temporal Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Functions in hearing, auditory patterns and visual memory.
|
Temporal Lobe
|
|
|
The temporal lobe functions in _________, auditory patterns and visual memory.
|
hearing
|
|
|
The temporal lobe functions in hearing, _________ __________, and visual memory.
|
auditory patterns
|
|
|
The temporal lobe functions in hearing, auditory patterns and ________ ________.
|
visual memory
|
|
|
(Lobes of the Cerebral Hemisphere) The "seer"
|
Occipital Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Located in the inferior posterior aspect of the cerebrum, just superior to the tranverse function.
|
Occipital Lobe
|
|
|
(Lobes of the Cerebral Hemisphere) Functions in visual processing, recognition and vision itself.
|
Occipital Lobe
|
|
|
The occipital lobe functions in ________ _______, recognition and vision itself.
|
visual processing
|
|
|
The occipital lobe functions in visual processing, ____________, and vision itself.
|
recognition
|
|
|
(Lobes of the Cerebral Hemispheres) Located buried beneath a combination of the temporal and parietal lobes.
|
Insula or Insular Lobe
|
|
|
The Insula or Insular Lobe is buried beneath a combination of the ________ & _________ lobes.
|
Temporal and Parietal
|
|
|
What are the three functional regions of the cortex?
|
1.) Motor
2.) Sensory 3.) Association |
MSA
|
|
Primary motor areas of the cerebral cortex lie in the __________ __________ (gyrus sing) of the frontal lobe.
|
Precentral Gyri
|
|
|
_________ ________ _____ of the cerebral cortex lie in the Precentral Gyri (gyrus sing) of the frontal lobe.
|
Primary Motor Areas
|
|
|
The pyramidal cells which are named due to the pyramidal shape of their cell body.
|
Primary Cells
|
|
|
Impulses from the pyramidal cells travel down through the brainstem to ______________ tracts.
|
Corticospinal
|
|
|
Corticospinal fibers synapse with the ____________ ___________ of the anterior horn cells.
|
Motor Neurons
|
|
|
Corticospinal fibers synapse with the motor neurons of the __________ _________ cells.
|
Anterior Horn
|
|
|
When the corticospinal fibers synapse with the motor neurons of the anterior horn cells this is where the ____________ motor neurons connect with the _______ motor neurons.
|
UPPER & LOWER
|
|
|
(Function of the Cerebrum) In the final function the impulse is then conveyed directly to the _______ __________ by the anterior horn cells.
|
Skeletal muscles
|
|
|
_____________ & _____________ coordinate balance and posture.
|
Reticulospinal & Rubrospinal
|
|
|
Reticulospinal and Rubrospinal coordinate _________ and _________.
|
Balance and Posture
|
|
|
Some of their impulses function to inhibit motor actions.
|
Reticulospinal & Rubrospinal
|
|
|
Reticulospinal & Rubrospinal --> some of their impulses function to inhibit _________ __________.
|
Motor Actions
|
|
|
TRUE/FALSE Reticulospinal & Rubrospinal are "somatic"
|
FALSE autonomic
|
|
|
Located only on the left side of the brain and functions to coordinate the complex muscular actions of the mouth.
|
Broca's Area
|
|
|
This is why some stroke suffereres have more speech problems than otheres. (R or L sided stroke)
|
Broca's Area located on the left side of the brain
|
|
|
Broca's are is in a region also called the ________ __________ ___________ which coordinates the movements of the eyes and eyelids.
|
Frontal Eye Field
|
|
|
Broca's area is in a region called the frontal eye field which coordinates the movements of the _____ and ___________.
|
Eyes and Eyelids
|
|
|
Interpret impulses from sensory receptors producing feeling, sensations or responses.
|
Sensory Areas
|
|
|
__________ ____________ ___________ are located in the postcentral gyri in the parietal lobe.
|
Primary Sensory Areas
|
|
|
Primary Sensory Areas are lovated in the __________ _________ in the parietal lobe.
|
Postcentral Gyri
|
|
|
These areas are not primarily motor or sensory in function.
|
Association areas
|
|
|
These areas are found throughout the frontal, temporal and occipital lobes.
|
Association areas
|
|
|
These areas function are to analyze and interpret sensory input, help provide memory, reasoning, verbalizing, judgement and emotions.
|
Association areas
|
|
|
(Associative Function of Lobes) Planning, thinking, control of emotional behavior and awareness of its consequences.
|
Frontal Lobe
|
|
|
(Associative Function of Lobes) Interpretation of sensory input, speech and word choices, awareness of forms of objects.
|
Parietal Lobe
|
|
|
(Associative Functions of Lobes) Speech and reading, storage of memory of visual scenes, music and complex sensory patterns.
|
Temporal Lobe
|
|
|
(Assosiative Function of Lobes) Analyzing visual patterns and combining them with other sensory experiences such as recognizing a person
|
Occipital Lobe
|
|
|
Area at the posterior end of the lateral sulcus. Manages complex thought, information consolidation, word recognition and arrangement, thought, expression and understanding.
|
General Interpretive Area (Wernicke's Area)
|
|
|
The general interpretive area (Wernicke's area) is at the posterior end of the ____________ ________ and it manages complex thought, information consolidation, word recognition and arrangement, thought, expression and understanding.
|
Lateral Sulcus
|
|
|
Over 90% of people have ____________ hemisphere dominance.
|
Left-sided
|
|
|
Over ___% of people have left-sided hemisphere dominance.
|
90%
|
|
|
Hemisphere dominance also applies to every other characteristic of _________ functioning.
|
Cerebral
|
|
|
Marked clinical examples in cases affecting the left hemisphere are evident in speech disorders due to _________ area being there.
|
Broca's
|
|
|
The persistence of learning
|
Memory
|
|
|
Memory is the persistence of ________.
|
Learning
|
|
|
Memory is the __________ of learning.
|
Persistance
|
|
|
______________ is the persistence of learning.
|
Memory
|
|
|
What are the two types of memory?
|
Short & Long Term
|
|
|
"Working Memory"
|
Short-term
|
|
|
Thought to be a process of a circuitous series of neurons where the last stimulates the first.
|
Short-term memory
|
|
|
When electrochemical event ceases, do does the memory -- unless it enters the __________ __________ memory.
|
Long Term
|
|
|
When electrochemical event ceases, so does the __________, unless it enters long term memory.
|
Memory
|
|
|
Thought to change the structure of function and enhance synaptic patterns such that memory can be maintained of long-termed.
|
Long-term memory
|
|
|
(Two Requirements for Long Term Memory) Each of the 10 billion neurons can make tens of thousands of connections to other ________.
|
neurons
|
|
|
(Two Requirements for Long Term Memory) A certain pattern of synapses can remain _________ for years.
|
Unchanged
|
|
|
The process by which short-term memory is converted to long-term memory.
|
Memory Consolidation
|
|
|
Cerebral Cortex Areas are called:
|
Hippocampus
|
|
|
The process whereby hippocampus "rewire" your brain.
|
Long-term synaptic potentiation
|
|
|
A "Habit" "Chronic Thought" is an example of a :
|
Long-term synaptic potentiation
|
|
|
Composed of the caudate nucleus, putamen and the globus pallidus.
|
Basal Nuclei
|
|
|
Secretes most of the inhibitory neurotransmitter, dopamine.
|
Basal Nuclei
|
|
|
Inhibits motor functions by controlling certain muscular activities. Relay stations for motor impulses originating in the cerebral cortex.
|
Basal Nuclei
|
|
|
Forms the center core of the forebrain and includes the thalamus, hypothalamus, epithalamus. These three paired structures generally enclose the third ventricle.
|
Diencephalon
|
|
|
Includes the Thalamus and Hypothalamus
|
Diencephalon
|
|
|
Other parts of this include the optic tract, optic chaiasma, infundibulum, posterior pituiatary gland, mammilary bodies and the pineal gland
|
Diencephalon
|
|
|
Located between the cerebral hemispheres and above the brainstem (and below the corpus collasum)
|
Diencephalon
|
|
|
The diencephalon is located between the ________ ___________ and above the brainstem (and below the corpus collasum)
|
Cerebral Hemispheres
|
|
|
The diencephalon is located between the cerebral hemisphere and above the _________(and below the corpus collasum)
|
Brainstem
|
|
|
the Diencephalon is lovated between the cerebral hemispheres and above the brainstem (and below the ____________ ___________)
|
Corpus Collasum
|
|
|
Diencephalon surrounds the ________ ventricle and is composed largely of grey matter.
|
Third
|
|
|
Diencephalon surrounds the third ventricle and is composed largely of _________ ____________.
|
Grey Matter
|
|
|
Surrounds the third ventricle and is composed largely of grey matter.
|
Diencephalon
|
|
|
(Diencephalon) A dense mass that bulges into the third ventricle from each side.
|
Thalamus
|
|
|
(Diencephalon) A selective gateway for sensory impulses ascending from much of the nervous system.
|
Thalamus
|
|
|
(Diencephalon) The thalamus is a ________ ________ for sensory impulses ascending from much of the nervous system.
|
Selective Gateway
|
|
|
(Diencephalon) The thalamus is a selective gateway for ________ impulses ascending from much of the nervous system.
|
Sensory
|
|
|
(Diencephalon) Channels all sensory input except taste and smell to the appropriate regions of the cerebral cortex.
|
Thalamus
|
|
|
(Diencephalon) The thalamus channels all input except _______ & smell to the appropriate regions of the cerebral cortex.
|
Taste
|
|
|
(Diecephalon) The thalamus channels all sensory input except taste & _______ to the appropriate regions of the cerebral cortex.
|
Smell
|
|
|
(Diencephalon) The thalamus channels all sensory input except __________ & ________ to the appropriate regions of the cerebral cortex.
|
Taste & Smell
|
|
|
Cerebral cortex communicates with the thalamus by means of _________ _________.
|
Descending Fibers
|
|
|
(Diencephalon) Cerebral cortex communicates with the thalamus by the means of _______ _________.
|
Descending Fibers
|
|
|
(Diencephalon) Acts as sort of a sensory "clearing house" for afferent impulses.
|
Thalamus
|
|
|
(Dicencephalon) Functions to synchronize action potentials for interpretation by the cortex.
|
Thalamus
|
|
|
(Diencephalon) The thalamus functions to ___________ action potentials for interpretation by the cortex.
|
Synchornize
|
|
|
(Diecephalon) Functions not only as a messenger, but a coordinator.
|
Thalamus
|
|
|
(Diecephalon) Below the thalamus and above the infundibulum and pituitary.
|
Hypothalamus
|
|
|
(Dicephalon) Regulates heart pressure
|
Hypothalamus
|
|
|
(Diecephalon) Regulates blood pressure
|
Hypothalamus
|
|
|
(Diecephalon) Regulates water (fluid) and electrolyte balance
|
Hypothalamus
|
|
|
(Diecephalon) Control of hunger and body weight.
|
Hypothalamus
|
|
|
(Diecephalon) Control of movements and glandular secretions of the stomach and intestines.
|
Hypothalamus
|
|
|
(Diecephalon) Control of movements and glandular secretions of the stomach and intestines.
|
Hypothalamus
|
|
|
(Diecephalon) Production of neurosecretory substances that stimulate the pituitary gland to release hormones that help regulate growth, control various glands, and influence reproductive psychology.
|
Hypothalamus
|
|
|
Structures in the diecephalon are important in controlling ________ responses - limbic system.
|
Emotional
|
|
|
System comprised of portions of cerebral cortex, hypothalamus, thalamus, balal nuclei and other deep nuclei.
|
Limbic System
|
|
|
Controls emotional experience and expression and, consequently behavior.
|
Limbic System
|
|
|
Fear, Anger, Pleasure & Sorrow are all examples of this system.
|
Limbic System
|
|
|
Portions of the limbic system interpret sensory impulses of olfaction, hence, aromatherapy and ___________.
|
perfume
|
|
|
This is comprised of the midbrain, pons and medulla oblongata.
|
Brainstem
|
|
|
(Brainstem) Located between the dienchephalon and the pons.
|
Mid-brain
|
|
|
(Brainstem) Contains nuclei that acts as reflex centers and the cerebral aqeuduct
|
Mid-brain
|
|
|
(Brainstem) Function is mainly to join the lower parts of the brainstem with the higher parts of the brain.
|
Mid-brain
|
|
|
(Brainstem) Location: A round, elongated bulge on the underside of the brainstem
|
Pons
|
|
|
(Brainstem) Separates the midbrain from the medulla oblangata.
|
Pons
|
|
|
(Brainstem) Contains several nuclei that function with the medulla oblangata to regulate rate and depth of breathing.
|
Pons
|
|
|
(Brainstem) Relays impulses to and from medulla.
|
Pons
|
|
|
(Brainstem) Located between the pons and the spinal cord on the underside of the brain.
|
Medulla Oblongata
|
|
|
(Brainstem) Contains all of the ascending and descending fibers between the brain and spinal cord.
|
Medulla Oblongata
|
|
|
(Brainstem) Contains nuclei that control heart rate, blood vessel diameter (volume of flow & pressure)
|
Medulla Oblongata
|
|
|
(Brainstem) Contains nuclei that control reflexes for sneezing, swallowing, coughing and vomiting.
|
Medulla Oblongata
|
|
|
(Brainstem) Contains the cardiac, vasometer, and respiratory (along with pons) center
|
Medulla Oblongata
|
|
|
(Brainstem) Regulates and mediates swallowing, coughing, sneezing, vomiting, BP & HR
|
Medulla Oblongata
|
|
|
Scattered throughout the medulla, pons and midbrain.
|
Reticular Formation
|
|
|
Contains or Defined as an intricate network of fibers that mediate many basic functions.
|
Reticular Formation
|
|
|
Scattered throughout the medulla, pons and midbrain.
|
Reticular Formation
|
|
|
The Reticular formation contains or is defined as a network of _______ that mediate many basic functions.
|
Fibers
|
|
|
Contains or Defined as an intricate network of fibers that mediate many basic functions.
|
Reticular Formation
|
|
|
Activates the cerebral cortex so it can interpret sensory information and carry on the processes of thought, filters sensory info for importance and basically prevents what would otherwise be a continual bombardment of sensory stimulation and allows a more selective process for more significant information.
|
Reticular Formation
|
|
|
The Reticular formation contains or is defined as a network of _______ that mediate many basic functions.
|
Fibers
|
|
|
Prevents a continual bombardment of sensory stimulation
|
Reticular Formation
|
|
|
Activates the cerebral cortex so it can interpret sensory information and carry on the processes of thought, filters sensory info for importance and basically prevents what would otherwise be a continual bombardment of sensory stimulation and allows a more selective process for more significant information.
|
Reticular Formation
|
|
|
(Summary) Regulates consciousness, sleep, awareness and sensation.
|
Reticular Formation
|
|
|
Prevents a continual bombardment of sensory stimulation
|
Reticular Formation
|
|
|
(Summary) Regulates consciousness, sleep, awareness and sensation.
|
Reticular Formation
|
|
|
What are the two types of sleep?
|
1) Slow wave sleep
2) Rapid Eye Movement |
|
|
What are the two types of sleep?
|
1) Slow wave sleep
2) Rapid Eye Movement |
|
|
How many levels are in slow wave sleep?
|
4
|
|
|
How many levels are in slow wave sleep?
|
4
|
|
|
(TRUE/FALSE) Level 2 sleep is a deeper sleep than level 4 sleep.
|
FALSE
|
|
|
(TRUE/FALSE) Level 2 sleep is a deeper sleep than level 4 sleep.
|
FALSE
|
|
|
(TRUE/FALSE) Slow wave sleep is dreamless.
|
TRUE
|
|
|
(TRUE/FALSE) Slow wave sleep is dreamless.
|
TRUE
|
|
|
Paradoxical sleep is also known as ________.
|
REM
|
|
|
REM sleep is also called __________________.
|
Paradoxical sleep
|
|
|
In which type of sleep are the MR, HR, brain activities may be at near-normal levels?
|
REM/Paradoxical
|
|
|
Dreaming occurs during this kind of sleep.
|
REM
|
|
|
Consists of layers of CT surrounding bundles of nerve fibers.
|
Peripheral Nerves
|
|
|
Outermost (dense) CT layer is the epineurium, which surrounds the entire nerve.
|
Peripheral Nerves
|
|
|
Encloses a number of bundles of nerve fibers called a fasicle.
|
Peripheral Nerves
|
|
|
(Peripheral Nerves) Fasicle is bounded by a "looser" CT called the _________.
|
Perineurium
|
|
|
(Peripheral Nerves) Individual nerve fibers are encased in loose CT called the __________.
|
Endoneurium
|
|
|
(Peripheral Nerves) The epieneurium and perineurium both contain blood vessels for the provision of nutrient gas exchange for the ________(recall simple diffusion and concentration gradients)
|
neurons
|
|
|
(Peripheral Nerves) The epinereum and perineurium both contain __________ __________ for the provision of nutrient gas exchange for the neurons (recall simple diffusion and concentration gradients)
|
blood vessels
|
|
|
(Peripheral Nerves) The ______________ & epinereum both contain blood vessels for the provision of nutrient gas exchange for the neurons (recall simple diffusion and concentration gradients)
|
perineurium
|
|
|
(Peripheral Nerves) The perineurium & __________ both contain blood vessels for the provision of nutrient gas exchange for the neurons. (recall simple diffusion and concentration gradients)
|
epineurium
|
|
|
(Peripheral Nerves) The periuneurium & epineurium both contain blood vessels for the provision of ______ ________ ____________ for the neurons. (recall simple diffusioin and concentration gradients)
|
nutrient gas exchange
|
|
|
Soma
|
Body
|
|
|
Efferent
|
Exiting, going out of
|
|
|
Afferent
|
Entering, going into
|
|
|
Visceral
|
Internal organs, not the voluntary things like muscles and skin
|
|
|
Special
|
Other than general, such as facial or functional. Special Senses
|
|
|
Body
|
Soma
|
|
|
Exiting, going out of
|
Efferent
|
|
|
Enter, going into
|
Afferent
|
|
|
Internal organs, not the voluntary things like muscles and skin.
|
Visceral
|
|
|
Other than general, such as facial or functional.
|
Special
|
|
|
Carry motor impulses outward from CNS to skeletal muscles.
|
General Somatic Efferent Fibers
|
|
|
General Somatic Efferent Fibers cary motor impulses outward from the CNS to ______________ ______________.
|
Skeletal Muscles
|
|
|
Carry motor impulses outward from CNS to various smooth muscles and associated organs/glands.
|
General Visceral Efferent Fibers
|
|
|
General Visceral Efferent Fibers carry motor impulses outward from the CNS to various _________ muscles and associated _______/__________.
|
Smooth; Organs/Glands
|
|
|
Carry sensory impulses inward to the CNS from skin/muscle.
|
General Somatic Afferent Fibers
|
|
|
General Somatic Afferent Fibers carry sensory impulses ________ to the CNS from __________/__________.
|
Inward; Skin/Muscle
|
|
|
Carry sensory afferent impulses to the CNS from the blood vessels and internal organs.
|
General Visceral Afferent Fibers
|
|
|
General Visceral Afferent Fibers carry sensory afferent impulses to the CNS from the _______ __________ and __________ organs.
|
Blood Vessels and Internal Organs
|
|
|
Carry motor impulses outward from the brain to the muscles used in chewing, swallowing, speaking, and facial expression.
|
General Somatic Efferent Fibers
|
|
|
General Somatic Efferent Fibers carry motor impulses _______ from the brain to the _________ used in chewing, swallowing, speaking and facial.
|
Outward; Muscles
|
|
|
Carry sensory impulses inward to the brain from the olfactroy and taste receptors.
|
Special Visceral Afferent Fibers
|
|
|
Special Visceral Afferent Fibers carry sensory impulses ________ to the brain from the _______ and ________ receptors.
|
Inward; Olfactory and Taste
|
|
|
Carry sensory impulses inward to the brain from the receptors of sight, hearing and equilibrium.
|
Special Somatic Afferent Fibers
|
|
|
Special Somatic Afferent Fibers carry sensory impulses _______ to the brain from the receptors of __________, __________ and __________.
|
Inward; Sight, Hearing & Equilibrium
|
|
|
TRUE/FALSE Cranial Nerves are part of the CNS.
|
FALSE
|
|
|
(CRANIAL NERVES) ___ pairs (one right and one left of each of cranial nerves are _________ nerves.
|
12; Peripheral
|
|
|
(CRANIAL NERVES) Some are MIXED, some are SENSORY, some are ___________.
|
MOTOR
|
|
|
(CRANIAL NERVES) Some are MIXED, some are __________, some are MOTOR.
|
SENSORY
|
|
|
(CRANIAL NERVES) Some are __________, some are SENSORY, some are MOTOR.
|
MIXED
|
|
|
(CRANIAL NERVES) Only their __________ functions are considered.
|
Primary
|
|
|
Cranial Nerves are organized from ________ to _________ from their point of departure from the CNS.
|
Anterior to Posterior
|
|
|
(CRANIAL NERVES) Sensory-sense of smell, terminate in the nasal mucosa via the olfactory bulbs and limbic system
|
Olfactory Nerves
|
|
|
(CRANIAL NERVES) Olfactory nerves- ________- sense of _______.
|
Sensory; Smell
|
|
|
(CRANIAL NERVES) Olfactory nerves terminate in the _______ _______ via the olfactory bulbs and limbic system.
|
Nasal Mucosa
|
|
|
(CRANIAL NERVES) Sensory - Carry impulses from retina of eye to optic chiasma, tract and visual cortex.
|
Optic Nerves
|
|
|
(CRANIAL NERVES) Optic Nerves are (Sensory/Motor/Mixed)
|
Sensory
|
|
|
(CRANIAL NERVES) Optic Nerves carry impulses from retina of ________ to optic chiasma, tract and _______ cortex.
|
Eye; Visual
|
|
|
(CRANIAL NERVES) Motor- Carries impulses from midbrain to eyelids and 4 of 6 of the muscles of eye movement (Sup. rectus, Inf. rectus, Med. rectus, Inf. Oblique)
|
Oculomotor
|
|
|
(CRANIAL NERVES) Second portion of oculomotor controls involuntary action of the internal muscles of the ____.
|
EYE
|
|
|
(CRANIAL NERVES) Oculomotor nerves are (SENSORY/MOTOR/MIXED)
|
Motor
|
|
|
(CRANIAL NERVES) Oculomotor nerves carry impulses from midbrain to ____________ and 4 of 6 muscles of ________ movement.
|
Eyelids; Eye
|
|
|
(CRANIAL NERVES) Motor- Innervation of superior oblique eye muscle.
|
Trochlear
|
|
|
(CRANIAL NERVES) The trochlear is (SENSORY/MOTOR/MIXED)
|
Motor
|
|
|
(CRANIAL NERVES) The trochlear is the innervation of __________ oblique eye muscle.
|
Superior
|
|
|
(CRANIAL NERVES) The Trochlear is the innervation of superior _______ eye muscle.
|
Oblique
|
|
|
(CRANIAL NERVES) The Trochlear is the innervation of superior obilque _____ muscle.
|
Eye
|
|
|
(CRANIAL NERVES) Mixed- Three branches (opthalmic, maxillary, mandibular) [chewing]sensation for the upper and lower mouth parts.
|
Trigeminal
|
|
|
(CRANIAL NERVES) Trigeminal nerves are (SENSORY/MOTOR/MIXED)
|
MIXED
|
|
|
(CRANIAL NERVES)
Trigeminal nerves contain three branches (opathalmic, maxillary, mandibular). [_____________] sensation for upper and lower mouth parts. |
Chewing
|
|
|
(CRANIAL NERVES) Trigeminal nerves contain three branches (opathalmic, maxillary, mandibular) [chewing]sensation for __________ and __________ mouth parts.
|
Upper & Lower
|
|
|
(CRANIAL NERVES) Motor- Lateral rectus eye muscle (think to abduct- take away from)
|
Abducens
|
|
|
(CRANIAL NERVES) Abducens are (SENSORY/MOTOR/MIXED)
|
Motor
|
|
|
(CRANIAL NERVES) Abducens are in the lateral rectus ________ muscle.
|
Eye
|
|
|
(CRANIAL NERVES) Abducens are in the ________ rectus eye muscle.
|
Lateral
|
|
|
(CRANIAL NERVES) Abducens are in the lateral _______ eye muscle.
|
Rectus
|
|
|
(CRANIAL NERVES) Mixed- Nicknamed the "nerve of facial expression), motor to facial muscles and salivary glands, senses taste on the anterior 2/3 of tongue (sweet, salty and sour)
|
Facial
|
|
|
(CRANIAL NERVES) Facial nerves are (SENSORY/MOTOR/MIXED)
|
MIXED
|
|
|
(CRANIAL NERVES) Facial nerves are nicknamed the "nerve of _______ ______"
|
Facial Expression
|
|
|
(CRANIAL NERVES) Motor to _____ muscles and __________ ____________.
|
Facial; Salivary
|
|
|
(CRANIAL NERVES) In Facial Nerves 2/3 of taste senses are on the anterior 2/3 of tongue (_______, _______ and ______)
|
Sweet, Salty and Sour
|
|
|
(CRANIAL NERVES) Sensory- (old name - auditory) - a vestibular portion that senses balance cochlear portion senses hearing both come from the inner ear.
|
VESTIBULOCOCHLEAR
|
|
|
(CRANIAL NERVES) Vestibulocochlear is (SENSORY/MOTOR/MIXED)
|
SENSORY
|
|
|
(CRANIAL NERVES) Old-name auditory.
|
VESTIBULOCOCHLEAR
|
|
|
(CRANIAL NERVES) In Vestibulocochlear the vestibular portion senses __________.
|
Balance
|
|
|
(CRANIAL NERVES) In Vestibulocochlear the cochlear portion senses ________.
|
Hearing
|
|
|
(CRANIAL NERVES) In Vestibularcochlear both Vestibular & Cochlear (Balance & Hearing) come from the _______ __________.
|
Inner Ear
|
|
|
(CRANIAL NERVES) Mixed- Tongue and pharynx. Posterior third of the tongue (Bitter and Umami) Which means "delicious"
|
Glossopharyngeal
|
|
|
(CRANIAL NERVES) Glossopharyngeal is (SENSORY/MOTOR/MIXED)
|
MIXED
|
|
|
(CRANIAL NERVES)
Glossopharyngeal is the posterior (___/___) of the tongue. (__________ & __________.) Which means "delicious." |
1/3; Umami
|
|
|
(CRANIAL NERVES) Glossopharygeal is the __________ (1/3) of the tongue. (Bitter and Umami.) Which means "____________"
|
Posterior; Delicious
|
|
|
(CRANIAL NERVES) Mixed- Contains both somatic and visceral fibers, but mostly visceral motor includes the muscles of swallowing and speech with sensory from much the same visceral fibers innervate all of the visceral organs of the thoracic and abdominal cavities.
|
Vagus
|
|
|
(CRANIAL NERVES) Vagus is (SENSORY/MOTOR/MIXED)
|
MIXED
|
|
|
(CRANIAL NERVES) Vagus contains both ________ and ________ fibers.
|
Somatic and Visceral
|
|
|
(CRANIAL NERVES) In Vagus Nerves the Visceral Motor portion includes the muscles of _________ and the sensory of _________. Also the same visceral fibers innervate all of the visceral organs of the _________ and _________.
|
Swallowing and Speech
Thoracic and Abdomen |
|
|
(CRANIAL NERVES) Motor- Originates in both medulla and spinal cord, cranial serves the soft palate, larynx and pharynx spinal serves as SCM and trapezius.
|
(spinal) Accessory
|
|
|
(CRANIAL NERVES) Accessory Nerves are (SENSORY/MOTOR/MIXED)
|
Motor
|
|
|
(CRANIAL NERVES) Accessory Nerves originate in both the ______ __________ and the _________ _______.
|
Medulla Oblongata & Spinal Cord
|
|
|
(CRANIAL NERVES) In Accessory Nerves the cranial portion serves the soft palate, _________ & ________. The spinal serves SCM and ___________.
|
Larynx and Pharnyx
Trapezius |
|
|
(CRANIAL NERVES) Motor- Innervates tongue for speaking, chewing and swallowing.
|
Hypoglossal
|
|
|
(CRANIAL NERVES) Hypoglossal is (SENSORY/MOTOR/MIXED)
|
Motor
|
|
|
(CRANIAL NERVES) Hypoglossal innervates the tongue for ___________, __________ and swallowing.
|
Speaking, Chewing & Swallowing
|
|
|
These nerves originate from the spinal cord and are ALL mixed nerves.
|
Spinal Nerves
|
|
|
These nerves provide two-way communication between the spinal cord and the rest of the body.
|
Spinal Nerves
|
|
|
There are _______ pairs of spinal nerves numbered from the vertebral segments from which they arise.
|
31
|
|
|
There are 31 pairs of spinal nerves numbered from the ___________ ____________ from which they arise.
|
Vertebral Segments
|
|
|
(SPINAL NERVES) (CHART) The cervical region contains ________ nerves. Cervical has __ vertebrae with the nerves named by the vertebrae ________.
|
8; 7; Below
|
|
|
(SPINAL NERVES) (CHART) The thoracic region contains _____ nerves. Thoracic nerves emerge from _______ their corresponding vertebrae.
|
12; Below
|
|
|
(SPINAL NERVES) (CHART) The lumbar region contains _____ nerves. Lumbar nerves emerge from _________ their corresponding vertebrae.
|
5; Below
|
|
|
(SPINAL NERVES) (CHART) The sacral region contains ____ nerves. Sacral nerves emerge from ______ their corresponding vertebral segments.
|
5; Below
|
|
|
(SPINAL NERVES) (CHART) The coccygeal region contains ___ nerve. The mid and lower lumbar nerves emerge from the ________ _________ below the conus medularis.
|
1; Cauda Equina
|
|
|
Each Spinal Nerve has ____ roots which join to form complete nerve __________.
|
2; Structure
|
|
|
Each Spinal Nerve has ___ roots which join to form and complete _______ structure.
|
2; Nerve
|
|
|
What are the two roots which join to form and complete the nerve structure of a spinal nerve?
|
Dorsal Root & Ventral Root
|
|
|
(SPINAL NERVE) (ROOTS) Posterior, or sensory root (do not confuse with Post. ramus or branch)
|
Dorsal Root
|
|
|
(SPINAL NERVES) (ROOTS)
The Dorsal Root contains the _______ _________ ________, which contains the cell bodies of sensory neurons of that particular nerve. |
Dorsal Root Ganglion
|
|
|
(SPINAL NERVES) (ROOTS)
The Dorsal Root contains the Dorsal Root Ganglion which contains the cell bodies of __________ neurons of that particular nerve. |
Sensory
|
|
|
(SPINAL NERVES) (ROOTS)
In the Dorsal Root Ganglion, the neurons conduct their impulses ________ to the CNS. |
Inward
|
|
|
(SPINAL NERVES) (DORSAL ROOTS) An area of the skin that the sensory nerve fibers of a particular spinal nerve innervate.
|
Dermatone
|
|
|
(SPINAL NERVES) (DORSAL ROOTS) A Dermatone is an area of the ______ that the sensory nerve fibers of a particular spinal nerve innervate.
|
Skin
|
|
|
(SPINAL NERVES) (DORSAL ROOTS) A Dermatone is an area of the skin that the ________ __________ _______ of a particular spinal nerve innervate.
|
Sensory Nerve Fibers
|
|
|
(SPINAL NERVES) (ROOTS) Anterior, or motor root. (Do not confuse with Ant. ramus or branch)
|
Ventral Root
|
|
|
(SPINAL NERVES) (ROOTS) Does NOT have a GANGLION.
|
Ventral Root
|
|
|
(SPINAL NERVES) (ROOTS)
Composed of axons, whose cell bodies are in the anterior horns of the spinal cord and conducts their impulses outward to the body. |
Ventral Root
|
|
|
(SPINAL NERVES) The Ventral Root is composed of ______, whose cell bodies are in the anterior horns of the _______ _________ and conduct their impulses _________ to the ________.
|
Axons, Spinal Cord, Outward, Body
|
|
|
The Dorsal and Ventral Roots unite to form the _______ Nerve.
|
Spinal
|
|
|
Spinal Nerves exit the vertebral column through openings called ________________ ___________ (IVF)
|
Intervertebral Foramen
|
|
|
Distal to the IVF, _________ nerves form 3 branches.
|
Spinal
|
|
|
(SPINAL NERVES) (BRANCHES) Re-enters the IVF to innervate the meninges & the blood vessels of the cord. The smallest branch.
|
Meningeal Branch
|
|
|
(SPINAL NERVES) (BRANCHES) Turns posteriorly to innervate the muscles and skin of the back. The intermediate sized branch.
|
Posterior Branch
|
|
|
(SPINAL NERVES) (BRANCHES) Turns anteriorly to innervate the muscles and skin on the front and sides of the trunk and limbs -- the majority of the body. The largest branch.
|
Anterior Branch
|
|
|
(SPINAL NERVES) Branches from smallest to largest.
|
Smallest: Meningeal
Intermediate: Posterior Largest: Anterior |
|
|
(SPINAL NERVE BRANCHES) The Meningeal Branch re-enters the IVF to innervate the _________ and the __________ ________ of the cord.
|
Meninges & Blood Vessels
|
|
|
(SPINAL NERVE BRANCHES) The Posterior Branch turns posteriorly to innervate the ________ and __________ of the _________.
|
Muscles and Skin of the Back
|
|
|
(SPINAL NERVE BRANCHES) The Anterior Branch turns anteriorly to innervate the ______ and __________ on the _______ and ______ of the _______ and ______-- The majority of the body.
|
Muscles and Skin on the
Front and Sides of the Trunk and Limbs |
|
|
(SPINAL NERVE BRANCHES) Only in the thoracic and lumbar regions.
|
Visceral Branches
|
|
|
(SPINAL NERVE BRANCHES) Go anteriorly from the paravertebral to the visceral organs.
|
Visceral Branches
|
|
|
(SPINAL NERVE BRANCHES) The Visceral Branches go anteriorly from the _______________ to the visceral organs.
|
Paravertebral
|
|
|
(SPINAL NERVE BRANCHES) The Visceral Branches go anteriorly from the paravertebral to the _________ organs.
|
Visceral
|
|
|
(SPINAL NERVE BRANCHES) In the Visceral Branch the paravertebral is also called ____________ chain ___________.
|
Sympathetic Chain Ganglia
|
|
|
These are formed by the anterior branches of cervical nerves 1 through 4.
|
Cervical Plexuses
|
|
|
Cervical Plexuses are formed by the anterior branches of cervical nerves ___ through ___.
|
1 - 4
|
|
|
Supply the muscles and skin of the neck.
|
Cervical Plexuses
|
|
|
The principal nerve of Cervical Plexuses is the ________ nerve.
|
Phrenic
|
|
|
These are formed by the anterior branches of cervical nerves 5 through 8 and thoracic nerve 1.
|
Brachial Plexuses
|
|
|
Brachial Plexuses are formed by anterior branches of cervical nerves ____ through ____ and thoracic nerve ___.
|
5 - 8
thoracic nerve 1 |
|
|
Innervate most of the muscles and skin of the entire pectoral girdle and upper extremities.
|
Brachial Plexuses
|
|
|
Brachial Plexuses innervate most of the muscles and skin of the entire ______ girdle and upper ____________.
|
Pectoral; Upper
|
|
|
Muscles of the anterior aspects of arms, of skin & of forearms.
|
Musculocutaneous Nerves
|
|
|
Musculocutaneous Nerves are muscles of the anterior aspects of ____, of ______ and of ______.
|
Arms; Skin; Forearms
|
|
|
Muscles of the forearms and hands and the skin of the hands.
|
Ulnar Nerves
|
|
|
Ulnar Nerves are muscles of the _________ and _________ and the skin of the __________.
|
Forearms and Hands and Skin of the Hands
|
|
|
Muscles of the forearms and skin of the hands.
|
Median Nerves
|
|
|
Median Nerves are muscles of the ___________ and skin of the _________.
|
Forearms and Skin of the Hands
|
|
|
Muscles of the posterior aspect of the arms and the skin of the forearms & the hands.
|
Radial Nerves
|
|
|
Radial Nerves are muscles of the ________ aspect of the ________ and the skin of the ________ and the ________.
|
Posterior;
Arms; Forearms & the Hands |
|
|
Muscles and skin of the superior, lateral and posterior regions of the arm.
|
Axillary Nerves
|
|
|
Axillary Nerves contain muscles and skin of the _______, ________ and _______ regions of the arm.
|
Superior, Lateral and Posterior
|
|
|
Axillary Nerves contain muscles and skin of the superior, lateral and posterior regions of the ______.
|
Arm
|
|
|
(OTHER NERVES ASSOCIATED WITH BRACHIAL PLEXUS)
Lateral and Medial Pectoral Nerves => (1) & (2) |
(1) Pectoralis Major Muscles
(2) Pectoralis Minor Muscles |
PP
|
|
(OTHER NERVES ASSOCIATED WITH BRACHIAL PLEXUS) Dorsal Scapular Nerve => (1) (2)
|
(1) Rhomboideus Major
(2) Levator Scapulae Muscle |
RL
|
|
(OTHER NERVES ASSOCIATED WITH BRACHIAL PLEXUSES) Lower Subscapular Nerve => (1) (2)
|
(1) Subscapularis Major
(2) Teris Major Muscles |
ST
|
|
(ASSOCIATED WITH BRACHIAL PLEXUSES) Throacodorsal Nerve => (1)
|
Latissimus Dorsi Muscle
|
L
|
|
(ASSOCIATED WITH BRACHIAL PLEXUSES) Suprascapular Nerve => (1) (2)
|
(1) Supraspinatus Muscles
(2) Infraspinatus Muscles |
SI Spinatus
|
|
A combination of the more commonly termed lumbar plexus and sacral plexux.
|
Lumbosacral Plexus
|
|
|
Formbed by the 12th thoracic nerve, all the lumbar, sacral and coccygeal nerves.
|
Lumbosacral Plexus
|
|
|
The Lumbosacral Plexuses are formed by the 12th __________ nerve, all the _________, sacral and coccygeal nerves.
|
Thoracic, Lumbar
|
|
|
The Lumbosacral Plexuses is formed by the ___th Thoracic nerve, all the Lumbar, ________ and ___________ Nerves.
|
12th, Sacral and Coccygeal
|
|
|
The function of the lower trunk of the body , pelvis and lower extremities.
|
Lumbosacral Plexuses
|
|
|
The Lumbosacral's function is of the lower ______ of the body, pelvis and lower extremities.
|
Trunk
|
|
|
What are the major two branches of the Lumbosacral?
|
Obturator Nerves & Femoral Nerves
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) Supply the adducter muscles of the thigh.
|
Obturator Nerves
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) Divides into many branches and supplies muscles of the thights and legs and recieves sensory impulses from the skin of the thighs and legs.
|
Femoral Nerves
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Obturator Nerves supply the adductor muscles of the __________.
|
Thigh
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Obturator Nerves supply the ________ muscles of the thigh.
|
Adducter
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Femoral Nerve divides into many branches and supplies muscles of the ______ and ______ and recieves sensory impulses from the _____ of the __________ and _________.
|
Thighs and Legs
Skin of the Thighs and Legs |
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) This nerve constitutes the major nerve for the anterior aspect of the lower extremities. (Thigh)
|
Femoral Nerve
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Femoral Nerve is the ________ nerve for the anterior aspect of the lower extremities.
|
MAJOR
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Femoral Nerve is the Major Nerve for the __________ aspect of the lower extremities. (thigh)
|
ANTERIOR
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Femoral Nerve is the Major Nerve for the Anterior aspect of the _____________ __________. (thighs)
|
LOWER EXTREMITIES
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The largest (the size of your thumb) and longest nerve in the body.
|
Sciatic Nerve
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Sciatic Nerve divides into these two nerves.
|
(1) Tibial
(2) Common Fibular Nerve |
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) Its branches innervate muscles and skin of the thighs, legs, and feet.
|
Sciatic Nerve
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) The Sciatic Nerve innervates muscles and skin of the ___________, __________, and ___________.
|
Thighs, Legs and Feet
|
|
|
(OTHER NERVES ASSOCIATED WITH THE LUMBOSACRAL PLEXUSES) The Pudendal Nerve supplies the muscles of the perineum. Pudendal means "____________"
|
Shameful
|
|
|
(LUMBOSACRAL PLEXUSES) (BRANCHES) Supply the gluteal and tensor fasciae latae muscles.
|
Inferior and Superior Gluteal Nerves
|
|
|
Do not enter, or form, a plexus, but instead, travel between the ribs and are called intercostal nerves.
|
Thoracic Spinal Nerves
|
|
|
Thoracic Spinal Nerves do not enter, or form, a plexus, but instead travel between the ribs and are called ______________ _____________.
|
Intercostal Nerves
|
|
|
(THORACIC SPINAL NERVES) These supply the intercostal muscles, upper abdominal wall muscles and skin.
|
Intercoastal Nerves
|
|
|
What may happen if you get a direct injury to the nerve?
|
Trauma & Birth Related Damage -- Cerebral Palsy
|
|
|
Spinal injuries may also be from _______(neuroma), ____________(viral [herpes] and bacterial) , and ______________ (diabetic neuropathy)
|
Tumors, Infection, Degeneration
|
|
|
Another Spinal Nerve Injury can occur from ______________ (spinal misalignment, a few carpel tunnel), __________ _________ (thoracic outlet syndrome, piriformis-related sciatica, osteoarthrosis of the spine)
|
Impingement, Muscle Crowding
|
|
|
Involuntary, as opposed to the (voluntary) somatic NS.
|
Autonomic System
|
|
|
Involuntary system where the efferent fibers go to ganglia outside the CNS. and are integrated within the ganglia and relayed to various organs, usually smooth muscles or glands.
|
Autonomic System
|
|
|
In the Autonomic System efferent fibers go to ganglia ___________ the CNS, and are integrated within the ganglia and relayed to various organs, usually _______ muscles or _________.
|
Outside
Smooth or Glands |
|
|
What are the two divisions of the Autonomic System?
|
(1) Systematic
(2) Parasystematic |
|
|
Division of the Autonomic System in which the preganglionic fibers are short and the postgangliotic fibers are long.
|
Systematic
|
|
|
Division of the Automatic System in which the preganglionic fibers are long and the postganliotic fibers are short.
|
Parasystematic
|
|
|
Two divisions of the Autonomic System that balance each other, as they have opposite functions.
|
Systematic & Parasystematic
|
|
|
(TRUE/FALSE) Autonomic Nerve Fibers are arranged the same as Somatic Nerve Fibers.
|
FALSE
|
|
|
(TRUE/FALSE) All of the Autonomic Nerve Fibers are Sensory, or afferent.
|
FALSE. MOTOR or EFFERENT
|
|
|
(TRUE/FALSE) Autonomic Nerve Fibers' pathways contain at least two neurons - one preganlionic and one postganglionic.
|
TRUE
|
|
|
In the Autonomic Nerve Fibers, this neuron resides in the CNS and its axon exits into the PNS & terminates the autonomic ganglion.
|
Preganglion Neuron
|
|
|
In the Autonomic Nerve Fibers, the Preganglion resides in the ______ and its axon exits into the ______ and terminates the autonomic ganglion
|
CNS => PNS
|
|
|
In the Autonomic Nerve Fibers, this neuron resides entirely in the PNS and terminates/synapses in the effector.
|
Postganglionic Neuron
|
|
|
In the Autonomic Nerve Fibers, this neuron resides entirely in the ______ and terminates/synapses in the __________.
|
PNS => Effector
|
|
|
(AUTONOMIC NERVE FIBERS) The pre- and post- ganglionic neurons synapse within the __________ ___________.
|
Autonomic Ganglion
|
|
|
(SYMPATHETIC DIVISION) Fibers arise from the _____ and upper lumbar vertebral levels only.
|
Thoracic
|
|
|
(SYMPATHETIC DIVISION) Fibers arise from the thoracic and ______ lumbar vertebral levels only.
|
Upper
|
|
|
(SYMPATHETIC DIVISION) Fibers arise from the thoracic and upper _______ vertebral levels only
|
Lumbar
|
|
|
(SYMPATHETIC DIVISION) Entirely within the ________________ region.
|
Thoracolumbar Region
|
|
|
(SYMPATHETIC DIVISION) Neurons originate in the lateral horns of the cord and exit in the ________ roots.
|
Ventral
|
|
|
(SYMPATHETIC DIVISION) Neurons originate in the __________ ____ of the cord and exit in the ventral roots.
|
Lateral Horns
|
|
|
(SYMPATHETIC DIVISION) Pass through the ______ _____. (Ramus means "a branch") (sing. ramus, pl. ramus)
|
White Ramus
|
|
|
(SYMPATHETIC DIVISION) Pass through the white ramus. Ramus means a " ".
|
Branch
|
|
|
(SYMPATHETIC DIVISION) Enter into the _____________ ______________. (or chain ganglia)
|
Sympathetic Ganglia
|
|
|
(SYMPATHETIC DIVISION) The _______________ _____________ are found in "chains" along both sides of the vertebral column, along with the fibers that connect them, are called the sympathetic trunks.
|
Paravertebral Ganglia
|
|
|
(SYMPATHETIC DIVISION) The Paravertebral Ganglia are found in "chains along both sides of the vertebral column, along with the fibers that connect them are called, _____________ ___________.
|
Sympathetic Trunks
|
|
|
Additional Sympathetic Ganglia called _________ ____________ are closer to the visceral organs.
|
Collateral Ganglia
|
|
|
Collateral Ganglia are usually associated with ________ blood cells.
|
Large
|
|
|
Some Preganglionic fibers will pass through a _________ to synapse with a more distant one.
|
Ganglia
|
|
|
Some preganglionic fibers will ascend, or descend the sympathetic trunk by up to as many as ______ levels.
|
Four
|
|
|
(SYSTEMATIC DIVISIONS) The preganglionic fibers pass through the WHITE RAMUS and synapse with a postganglion neuron either in
(1) (2) (3) |
(1) The local paravertebral ganglion
(2) A paravertebral ganglion one to four levels distant (3) A sympathetic collateral ganglion closer to the effector organ |
|
|
(SYSTEMATIC DIVISIONS) After the preganglionic fibers pass through the white ramis and synapse with a postganglionic fiber. The fibers exit the ______.
|
CNS
|
|
|
(SYMPATHETIC DIVISION) The rami appear white because most of their axons are _________.
|
Myelinated
|
|
|
(SYMPATHETIC DIVISION) The second neurons in the sympathetic pathway or the ___________ ___________, extend out from the sympathetic ganglia to the visceral effectors through the gray rami and then join a spinal nerve pathway to their end-organ (effector)
|
Postganglionic Fibers
|
|
|
(SYMPATHETIC DIVISION) The Postganglionic Fiber extend out of the sympathetic ganglia to the __________ _____ through the GRAY RAMI and then join a spinal nerve pathway to their end-organ. (Effector)
|
Visceral Effectors
|
|
|
(SYMPATHETIC DIVISION) The Postganglionic Fiber extends out of the sympathetic ganglia to the visceral effectors through the __________ _________ and then join a spinal nerve pathway to their end-organ. (Effector)
|
GRAY RAMI
|
|
|
(SYMPATHETIC DIVISION) The Postganglionic Fiber extends out of the sympathetic ganglia to the visceral effector through the GRAY RAMI and then join a ______ _________ ________ to their end-organ. (Effector)
|
Spinal Nerve Pathway
|
|
|
(SYMPATHETIC DIVISION) The Postganglionic Fiber extends out of the sympathetic ganglia to the visceral effectors through the GRAY RAMI and then join a Spinal Nerve Pathway to their end-organ. (____________)
|
Effector
|
|
|
The GRAY RAMI appears gray because few of the axons are __________.
|
Myelinated
|
|
|
(EXCEPTION TO PREGANGLIONIC PATHWAYS) Certain Preganglionic Fibers pass through the sympathetic ganglia and go directly to the __________ _________, where they synapse within hormone-secreting cells that release epinephrine and nonepinephrine when stimulated.
|
Adrenal Medulla
|
|
|
Parasympathetic Division is also called the _________ Division. (A reminder of spatial qualities.)
|
Craniosacral
|
|
|
(PARASYMPATHETIC DIVISION) Fibers arise from the _______ _________ and the sacral region of the spinal cord.
|
Medulla Oblangata
|
|
|
(PARASYMPATHETIC DIVISION) Fibers arise from the Medulla Oblangata and the __________ region of the spinal cord.
|
Sacral
|
|
|
Preganglionic fibers of both the sympathetic and the parasympathtic NS secrete acetylchlorine.
|
Autonomic Neurotransmitters
|
|
|
Cholinergic Fibers are also known as ____________ ______________.
|
Autonomic Neurotransmitters
|
|
|
Autonomic Neurotransmitters are also known as ______________ _____________.
|
Cholinergic Fibers
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) Two types of cholinergic receptors
(1) muscarinic => (parasympathetic/sympathetic) (excitatory?) (slow/fast) (2) nicontinci => (parasymapthetic/sympathetic) (excitatory?) (slow/fast) |
(1) Parasympathetic
YES SLOW (2) Sympathetic YES Fast |
|
|
Most sympathetic postganglionic fibers secrete _____________ and are called adrenergic.
|
Norepinephrine
|
|
|
Most sympathetic postganglionic fibers secre norepinephrine and are called ___________.
|
Adrenergic
|
|
|
Norepinephrine can circulate as a __________, which can combine with adrenergic receptors of effector cells.
|
HORMONE
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) Two types of adrenergic receptors: (that produce different responses) are
(1) => in blood vessel walls (2) => in bronchial smooth muscle |
(1) Alpha
(2) Beta |
|
|
(AUTONOMIC NEUROTRANSMITTERS) ________ receptors are more strongly influenced by norepinephrine.
|
Alpha
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) Alpha receptors are more strongly influenced by _______________.
|
Norepinephrine
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) The number of alpha or beta receptors on a cell membrane determines how it will _________.
|
Respond
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) Heart rate is speeded up and pupils dilate with ___________ stimulation.
|
Sympathetic
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) Heart rate is slowed and pupils constrict with ___________ stimulation.
|
Parasympathetic
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) Diameters of blood (this controls blood flow) is controlled solely by the ________________ Nervous System.
|
Sympathetic
|
|
|
(AUTONOMIC NEUROTRANSMITTERS) The smooth muscles of the vessel walls is always in a state of partial contraction. This is called __________ tone.
|
Sympathetic
|
|
|
Autonomic activity is largely controlled by the _________ and __________.
|
Brain & Spinal Cord
|
|
|
(CONTROL OF AUTONOMIC ACTIVITY) Dual innervation => The two systems are somewhat __________.
|
Antagonistic
|
|