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134 Cards in this Set

  • Front
  • Back

Also known as frontal sections, divides the nervous system from front and back.

Coronal Sectiondivides th

Divides the brain from top to bottom.

Horizontal/ Axial section

Provides side view of the brain structure

Sagittal

Special section that divides the brain into two equal halves

Midsagittal

Imaginary line that divides us into approximately equal halves.

Midline

If two structures are at both at the same side of the midline

Ipsilateral

If two structures are on opposite sided of the midline

Contralateral

Structures close to midline

Medial

Structure on the side of the midline

Lateral

Close to the center

Proximal

Away from the center.

Distal

Layers of membranes that cover CNS and peripheral nerves

Meninges

"Hard mother" ; outermost and can be found on both CNS and PNS

Dura mater

Most delicate and looks like a spider's web in cross section.

Arachnoid

"Pious mother" "primary mother" nutrient gaining

Pia mater

Subarachnoid space

Between the arachnoid and piamater, contains the CSF

the three layer of meninges cover the _________ and the ________

Brain and spinal cord

Infected meninges

Meningitis

Meningioma

Tumors that arise in the tissue of the meninges

The cerebrospinal fluid's two main functions are to _________ and __________

Circulate and Reabsorb

It circulates through the central canal of the spinal cord and four ventricles of the brain.

CSF

Acts as a cushion when you bump your head

CSF

Function of the CSF that means going through the spine via the central canal.

Circulation/ circulates

Function of the CSF that means to go the blood vessels

Reabsorb / reabsorption

It is located in the subarachnoid

CSF

Hypo Secretion of CSF

Meningitis

Hyper Secretion of CSF

Hydrocephalous

Hollow spaces w/c contains the CSF. 2 on each hemisphere and 2 on the spinal cord.

Ventricles

Lining of the ventricles w/c secretes the CSF

Choroid Plexus

Connects ventricles to brainstem

Cerebral aqueduct

Cerebral aqueduct going down passage, its a small channel in the spinal cord that contains the CSF.

Central canal

CSF to Blood Vessels

ARACHNOID GRANULE

Artery from the brain to the side of the neck.

Carotid artery

Blood vessel that enter the brain from the back of the skull.

Vertebral artery

A long cylinder of nervous tissue extending from the medulla to the first lumbar vertebra

Spinal cord

The bones of the spinal column that protects and encloses the spinal cord

Vertebral column

Spinal nerve : head, neck and arms

Cervical nerves

Spinal nerve : chest heart and lung, chest muscles.

Thoracic nerves

Spinal nerves: lower back and legs

Lumbar nerves

Spinal nerves: legs and genitals

Sacral nerves

Spinal nerve: Tailbone and contraction of the anus

Coccygeal nerve

Broadman areas, cytoarchitecture (1-52)

Korbinian Broadman

Connects hemispheres

Corpus Callosum

Made up of nerve fibers known as axons covered in myelin.

White matter

Primarily made up of cell bodies. It absorbs chemicals which causes its stain.

Gray matter

Horn: for sensory neuron function

Dorsal horn

Horn: for motor neurons

Ventral horn

"Kulubot sa brain" represents the electrical transmission of the nerve fibers.

Convolution

"Mini brain"

Cerebellum

Has the same functions as the cerebral cortex, for learning; motor control, emotions, language and memory.

Cerebellum

"lizard brain" ; consists of medulla and pons and functions for basic life support

Brain stem

Contains the gyri and sulci

Cerebral cortex

The shock absorption system

Ventricles

Eye movements

Midbrain

Relay station and monitors ascending and descending sense. Mass intermedia covered by lamina

Thalamus

Hypothalamus and pituitary gland

Inferior to the thalamus, basic needs; hunger and sexual desire

Basal ganglia

Learning , emotion and control of movement

"Sea horse" for memory

Hippocampus

Involved in anger, aggression, and fear. regulates information.

Amygdala

A fold of cortical tissue on the inner surface of the cerebral hemispheres. Evolved class of nerve cells known as VON ECONOMO neurons

Cingulate cortex

Anterior of thalamus and hypothalamus

Septal area

What movement? right eye to left hemisphere

Contralateral

What movement? Left eye to left hemisphere

Ipsilateral

Prosebcephalon is composed of?

Telencephalon and diencephalon

Prosencephalon is called

Forebrain

Mesencephalon is divided into?

Mesencephalon

Mesencephalon is also called?

Midbrain

Rhombencephalon is divided into?

Metencephalon and Myencephalon

Rhombencephalon is also called?

Hindbrain

Gradual swelling of tissue above the cervical spinal cord

Myencephalon ( medulla)

Myencephalon is also called?

Medulla

Mid brain stem, regulates sleep and arousal and contains the reticular activation system.

Reticular formation

Metencephalon is divided into?

Pons and cerebellum

Bulge, bridge for medulla and higher brain centers. Its is also for the ascending and descending tracts of the reticular formation

Pons

A nucleus found in the pons that receives info about the sound from the inner ear

Cochlear nucleus

A group of cell bodies in the pons that receive info about the location and movement of the head from sensory structures in the inner ear

Vestibular nucleus

Locatory term wc is in the dorsal surface of the brain. Consists of colliculi

Tectum

Colliculi for auditory function

Inferior

Colliculi for visual function

Superior

Locatory term wc is ventral

Tegmentum

Mediate the analgesic effects of opiate drugs. Pain reducing

Periaqueductual gray

In the reticular formation, it is for sensorimotor (spinal and cerebellum) and a part of tegmentum

Red nucleus

Black substance for sensorimotor wc is closely connected to the basal ganglia of the forebrain

Substantia nigra

1st to develop in the fetal stages

Forebrain

Largest division covered by the cerebral cortex

Forebrain

Inferior to thalamus and composed of optic chiasm and mammillary body

Hypothalamus

vision junction of the optic nerves

Optic chiasm

Structure extending from the ventral surface of the brain that processes the sense of SMELL

Olfactory bulb

Releases hormones

Pituitary gland

Fiber pathway connecting mammillary body and hippocampus

Fornix

Inferior to hypothalamus and are a pair of hypothalamic nuclei

Mammillary body

Large sulcus

Fissures

Contains the bulk of the symmetrical left and right cerebral hemispheres

Telencephalon

Necessary for speech production.

Broca's area

Most rostral lobe

Frontal lobe

Important structure of frontal lobe: for top and side of frontal lobe

Dorsolateral prefontal cortex

Important structure of frontal lobe: above and behind the eyes

Orbitofrontal cortex

Separated frontal and parietal lobe. It is the caudal boundary of the frontal lobe

Central sulcus

3 answers!!! : One of the nuclei contained in the basal ganglia

Putamen, caudate nucleus, globus pallidus

A small nucleus located ventral to the thalamus that is part of the basal ganglia

Subthalamic nucleus

Node of ranvier

Part of the axon wo myelin sheath cover

Major fissure dividing the 2 cerebral hemispheres

Longitudinal fissure

Area of the cortex that is devoted to the processing of sensory information

Sensory cortex

PNS: consist of the cranial and spinal nerves

Somatic nervous system

PNS. Controls the actions of many glands and organs

Autonomic nervous system

3 cranial nerves for sensory information

Olfactory, optic and auditory (vestibulocochlear)

Cranial nerve for smell

Olfactory

Cranial nerve for vision

Optic

Cranial nerve for auditory

Vesitbulocochlear / auditory

3 Cranial nerves for muscles of the eyes

Oculomotor, trochlear, abducens

Cranial nerve for muscles of the neck

accessory nerves / spinal accessory nerve

Cranial nerve for chewing, provide feedback and facial expression

Trigeminal nerve

Cranial nerve for facial expression and sensory for taste

Facial nerve

Sensory and motor functions of the throat

Glossopharyngeal

Cranial nerve for providing input and receiving sensation from the heart, liver and digestive tract.

Vagus nerve

Each spinal nerve with afferent and efferent nerves

Mixed nerve

Contains the cell bodies of the afferent nerves that process information about touch, temperature and other body senses from the periphery

Spinal ganglion

Cells and fibers that pass to tissues other that the skeletal muscle

Autonomic nervous systemm

A set of techniques that enable people to control typically unconscious or involuntary functions such as blood pressure

Biofeedback

Fight or flight (and it also coordinates arousal)

sympathetic

After sympathetic, it restores body functions and energy storage for rest

Parasympathetic

A string of cell bodies outside the spinal cord that receives inout from the sympathetic neurons in the CNS and that communicate with target organs

Sympathetic chain

Carry sensory and motor info between the brain regions of the head and neck

Cranial nerves

Carry sensory and motor info between the spinal cord and the remainder of the body

Spinal nerves

Provides input to the glands and organs

ANS

The process by wc favorable traits would become more common and unfavorable traits would become less common in subsequent generations due to differences among organisms in their ability to reproduce successfully

Natural selection

Proposed natural selection

Charles darwin

Connects the 3rd and 4th ventricle

Interventricular foramen

The ability of an organism with one genetic make up to reproduce more successfully than organisms with other types of genetic make up

fitness

The phylum of animals that possess true brains and spinal cords also known as vertebrates

Chordates

A primate in the family homonidae, of wc homosapiens is the only surviving member

Hominid

The species of modern humans

Homo sapiens

Controls all actions and processes of the body

Nervous system

Comprises of hollow structured in the brain that are connected to the central canal to the spinal cord

Ventricular canal