Brain Anatomy GTC

54 terms by desfahani

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Arbor vitae

tree like white matter structure seen in mid sagittal section of the cerebellum

vermis

cerebellar hemispheres are connected by a structure called the

cerebral aqueduct

connection between the third and fourth ventricle

abducens nerve

cranial nerve that abducts the eyeball

trigeminal nerve

cranial nerve that brings sensory impulses from the face

vagus

cranial nerve that carries autonomic fibers to the heart

oculomotor nerve

cranial nerve that innervates the constrictor papillae muscle

facial nerve

cranial nerve that innervates the lacrimal gland

trigeminal

cranial nerve that innervates the masseter muscle

hypoglossal nerve

cranial nerve that innervates the tongue

accessory

cranial nerve that innervates the trapezius

olfactory, optic, vestibulocochlear nerve

cranial nerves that are purely sensory

oculomotor, trochlear nerve, abducens nerve

cranial nerves that control eye movement

pia mater

deepest layer of the meninges

arachnoid villi

extensions of the arachnoid into the superior sagittal sinus

falx cerebri

fold of dura mater that extends into the longitudinal fissure

cerebrum, diencephalon, brain stem, cerebellum

four parts of the brain

function of basal nuclei

semi-automatic movement, making movements appropriate for the task

motivation, learning, emotions

function of limbic system

coordination and equilibrium

function of the cerebellum

function of the thalamus

sensory relay station, involved in motor movement, limbic system

nuclei

groups of cell bodies in CNS

dopamine

inhibitory neurotransmitter in the basal nuclei

longitudinal fissure

large cleft between right and left cerebral hemispheres

subarachnoid space

layer of the meninges where CSF is found

mesencephalon (midbrain)

location of the reticular activating center

brainstem

location of the reticular formation

dura mater

most superficial layer of the meninges

examples of basal nuclei

corpus striatum, globus pallidus, putamen, substantia nigra, red nucleus

hypothalamus, amygdaloid body, cingulated gyrus, mammillary body, fornis, etc.

name some structures of the limbic system

name the four ventricles

lateral (2), third, fourth

norephinephrine and serotonin

neurotransmitters of the reticular activating center

sneezing, hiccuping, vomiting, coughing, etc.

non vital centers located in the medulla oblongata

thalamus

part of the brain that acts as a sensory relay station

mesencephalon

part of the brain that contains the cerebral aqueduct

hypothalamus

part of the brain that controls appetite and thirst

hypothalamus

part of the brain that controls the pituitary gland

epithalamus

part of the brain that makes melatonin

substantia nigra

part of the brain that synthesizes dopamine

temporal lobe

primary auditory cortex

precentral gyrus

primary motor cortex

postcentral gyurs

primary somatosensory cortex

occipital lobe

primary visual cortex

choroid plexus

structure that makes cerebrospinal fluid

central sulcus

sulcus between the frontal and parietal lobes

mesencephalon (midbrain), pons, medulla oblongata

three parts of the brain stem

epithalamus, thalamus, hypothalamus

three parts to the diencephalon

projection tracts

tracts that run from higher to lower brain centers

commissures

tracts that run from the right to the left side of the brain

ependymal

type of neuroglial cell that lines the ventricles

respiratory center

vital center located in the pons

respiratory, cardia, vasomotor center

vital centers located in the medulla oblongata

what is a homunculus?

caricature of the body as seen on the pre and post central gyurs

blood

what is normally found in the superior sagittal sinus?

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