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54 terms

Brain Anatomy GTC

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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?