• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/63

Click to flip

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;

63 Cards in this Set

  • Front
  • Back
What parts of the body are considered part of the CNS?
Brain and Spinal Cord
at 4 weeks how many and what portions of the embryonic brain have developed?
3

Prosenchephalon( forebrain)
MEsencephalon(midbrain)
Rhombencephalon (Hindbrain)
at 5 weeks how many and what portions of the embryonic brain have developed?
5 add Picture
Telenchephalon
Diencephalon
Mesencephalon
Metencephalon
myelencephalon
embryonic brain development chart
what is the structure of the meninges?
Connective tissues surrounding the brain and spinal cord

Dura, arachnoid and pia maters
what is the function of the meninges
Separate brain from skull
Enclose and protect blood vessels supplying brain
Contain and circulate cerebrospinal fluid
how are the meningal layers like a mattress
dura mater top
arachnoid mater springs
pia mater bottom
what are the two layers within the dura mater
periosteal layer and meningeal layer
what is the dural septa
area in the sagitall plane where the periosteal and meningeal layers for the dura mater separate and form a cavity to drain fluids
locate the __ brain ventricles
1 lateral ventricles
2 third ventricle
3cerebral aqueduct
4 fourth ventricle
1 lateral ventricles
2 third ventricle
3cerebral aqueduct
4 fourth ventricle
What is CSF
cerebral spinal fluid
where is CSF created
choroid plexus
where can CSF be found and what do it look like?
Clear, colorless fluid
Circulates through the ventricles and subarachnoid space surrounding the CNS
what are the functions of CSF
Buoyancy
Protection (cushion)
Environmental stability
what is Hydrochephalus
to much CSF
what are some of the causes of Hydrocephaly
Obstruction of CSF flow
Overproduction of CSF
Impaired drainage of CSF
what are the treatments for Hydrocephaly
Ventriculoperitoneal shunt
Endoscopic third ventriculostomy
what is the function of the cerebrum
Location of conscious thought processes and complex intellectual functions
what separates the two hemispheres of the cerebrum
corpus callosum
what is the purpose of gyro and sulci
increased surface area - more cortex
what are the ___ lobes of the cerebrum and where are they located
5
Frontal lobe
parietal lobe
temporal lobe
occipital lobe
insula lobe
5
Frontal lobe
parietal lobe
temporal lobe
occipital lobe
insula lobe
what is the function of the frontal lobe
Decision making, personality, verbal communication, voluntary motor control of skeletal muscles
what is the function of the parietal lobe
Sensory interpretation of textures and shapes, understanding speech
what is the function of the temporal lobe
: Auditory and olfactory experience
what is the function of the occipital lobe
vision
what is the function of the insula lobe
taste
Homunculus
what are the different types of cerebral gray matter and where are they
in cerebral white matter what are the differences between _________,___________,and ___________ tracts
association - same hemisphere
commisural - across hemispheres
projection - out of brain
what is alzheimers disease
Progressive degenerative disease of the brain (begins in the hippocampus)
what are the symptoms of Alzheimers
memory loss, depression and disorientation
what is alzheimers thought to be caused by
Neurofibrillary tangles
Beta-amyloid plaques
loss of tracts
the diencephalon ends up being ______ in adults
Thalamus, epithalumus, hypothalamus and 3rd ventricle
the prosencephalon becomes ....(secondary brain vesicles)
telencephalon
denecephalon
t/f mesencephalon does not change into a secondary brain vesicle
t
the primary brain vesicle Rhombencephalon becomes ____________ and _____________ secondary brain vesicles
metencephalon
myelencephalon
telencephalon becomes.....
cerebrum and lateral ventricles
mesencephalon becomes.....
midbrain( cerebral peduncles, corpora quadregemina)
cerebral aqueduct
metencephalon becomes....
pons and cerebellum
anterior part of fourth ventricle
myelencephalon becomes.....
medulla
posterior part of fourth ventricle
the epithalamus has __ portion. they are
2
habenula
pineal gland
what are the functions/characteristics of the thalamus
Lies on either side of the third ventricle
Relay station for sensory and motor information entering the cerebrum
Interthalamic adhesion (intermediate mass)
the hypothalamus has __ different parts. they are
infundibulum
pituitary gland
what are the functions of the hypothalamus
Functions:
B ehavior
E ndocrine
E motion
T emperature control
S leep/Wake cycles
H unger/Thirst
A utonomic control
M emory
where is what in the brain
what is another name for the white matter in the cerebellum
arbor vitae
the two cerebellar hemisphere are separated by the
vermis
how many lobes does the cerebellum have?
4
anterior and posterior in both hemispheres
what are the functions of the cerebellum
Fine-tunes, smoothens and coordinates muscle movements
Balance/equilibrium
what ___ parts of the brain make up the brain stem?
3
midbrain
pons
medulla
what are the functions of the brainstem?
Bidirectional passageway between cerebrum and spinal cord
Contains many autonomic and reflex centers essential for survival
Point of attachment for cranial nerves
what are the functions of the medulla
Cardiac center
Vasomotor center
Respiratory center
Reflexes
Coughing, sneezing, gagging, vomiting etc
what is the limbic systtem
“Emotional brain”
Involved in motivation, emotion and memory
what are the structures of the limbic system
what are the __ different sections of the spinal cord
5
Cervical
thoracic
lumbar
sacral
coccygeal
how many cervical nerves are there?
8
nerves come out about vertebra until C7 which has a c nerve above and below it
how many thoracic nerves
12 all come out from underneath thoracic vertebrae
how many lumbar nerves
5
how many sacral nerves
5
how many coccygeal nerves
1
what is the conus medullaris
the point where the spinal cord tapers and ends
usually around L1 or L2
what is the caudal equina
the "horse tail" of nerves that continue past the conus medulllaris
the anatomy of the spinal cord