brain and cranial nerves (L9) Flashcards
general function types of fiber? cranial nerve Ihow old is this brain?
four week embryo (lateral view)
how old is this brain?
five week embryo (lateral view)
what is the outermost meninges?
dura mater
what is the middle layer meninges?
arachnoid mater
what is the innermost meninges?
pia mater
what are the bumps and ridges on the cerebral cortex?
gyri
(plural-gyrus)
what is the worm-like structure that connects the cerebellum?
vermis
“sulcus”
divides lobes
what makes up the corpora quadrigemina?
mesencephalon (midbrain) includes:
superior colliculi
inferior colliculi
singular of colliculi?
colliculus
what is the bumps closer to the spinal cord? the ones after those bumps?
medulla oblongata (closer to spinal cord)
pons
what are the ventral parts of the brain stem? what is dorsal to that?
medulla oblongata
pons
cerebellum
what produces CSF?
choroid plexus
what does the third ventricle surround?
thalumus
what does the aqueduct of the midbrain drain into?
fourth ventricle
-indent at bottom on cerebellum
what does the epithalamus connect?
pineal body and thalamus
what is the white matter of the cerebellum called?
arbor vitae
what is the lobe in the cerebellum behind the fourth ventricle that has to do with equilibrium and balance?
flocculonodular lobe
cranial nerve I
olfactory
cranial nerve II
optic
cranial nerve III
oculomotor
cranial nerve IV
trochlear
cranial nerve V
trigeminal
cranial nerve VI
abducens
cranial nerve VII
facial
cranial nerve VIII
vestibulocochlear
cranial nerve IX
glossopharyngeal
cranial nerve X
vagus
cranial nerve XI
spinal accessory
cranial nerve XII
hypoglossal
what nerve enters and exits in the forebrain; cerebral hemispheres?
1