exam 4 Flashcards
axon
noodle
dendrite
fingers
myelin sheath
encapsulate
schwann cell
cover fiber/axon
node of ranvier
gaps
soma
cell body
synaptic knob
ends of telodendria
endoneurium
cover each axon (after schwann)
perineurium
cover bundles of endoneurium
epineurium
cover entire nerve
cranial nerve 1
-olfactory
-smell
S: nose>brain
cranial nerve 2
-optic
-sight
S: eye>
cranial nerve 3
-oculomotor
-dilation of pupil
M: >eye
cranial nerve 4
-trochlear
-rotation of eyeballs
M: 1 eye muscle
cranial nerve 5
-trigeminal
*huge
-face sensation/chewing
B: pons (s)/ mastication (m)
cranial nerve 6
-abducens
-eye movement
M: 1 eye muscle
cranial nerve 7
-facial
-wrinkle forehead/close eyes
B: Pons (s)/ facial muscles and salivary glands (m)
cranial nerve 8
-acoustic
-hearing
S: medulla oblongata
cranial nerve 9
-glossopharyngeal
-swallow/taste
B: medulla (S)/ pharynx and saliv glands (m)
cranial nerve 10
-vagus nerve
*goes to thorax/abdomen
-voice/visceral nerve funky
B: medulla (s)/ digest, heart, and resp muscles (m)
cranial nerve 11
-spinal
-head rotatio/shoulder movement
M: sternocleido/traps
cranial nerve 12
hypoglossal
M:tongue
anterior median fissure
front split of spinal cord
posterior median sulcus
back split of spinal cord
anterior ventral horn
front horn
posterior ventral horn
back horn
anterior funiculli
front space in spinal cord
lateral horn
side dips
lateral funiculli
side space in spinal cord
posterior funiculli
back space in spinal cord
posterior root
back connection
anterior root
front connection
posterior root ganglion
bulb of post dorsal root
rami communicantes
“tendon”
posterior ramus
back road
anterior ramus
front road
cranial nerves mnemonic
On Old Olympus Tiny Tops A Finn And German Viewed Some Hops -------------- Some Say Mary Money But My Brother Says Bad Businesses Marry Money
dura mater (brain)
outermost covering of meninges (under bone)
arachnoid (brain)
middle layer of meninges
pia mater (brain)
deepest layer of meninges
3 layers of meninges
- dura mater (superf)
- arachnoid
- pia mater (deep)
subarachnoid space (brain)
space above lobes
b/w pia and arach
flax cerebri
middle divider into gap of longitudinal fissure
tentorium cerebelli
transverse sheath in gap b/w brain and cerebellum
diaphragm sellae
roof of pituitary gland
superior/inferior sagittal sinus
looking at longitudinal cut, top/middle rainbow
transverse sinus
looking at longitudinal cut, sinus at base of head
sigmoid sinus
sinus next to transverse, leading down
straight sinus
bottom shaft of inferior sagittal sinus
cavernous sinus
pretzel sinus in middle
choroid plexus
red wrinkle worm above thalamus
lateral ventricles
horns on alien
3rd ventricle
O on alien
4th ventricle
stem at the bottom of alien
cerebral aqueduct
shaft of stem
frontal lobe
front
parietal lobe
middle lobe
occipital lobe
back lobe
temporal lobe
side of head
insula
under
precentral gyrus
separates fontal and parietal sagittally
-frontal lobe
primary motor cortex
middle noodle on frontal side
brocas area
deep middle toward temporal lobe
post central gyrus
separates fontal and parietal sagittally
-parietal side
primary somatosensory cortex
middle noodle on parietal side
primary auditory cortex
top of temporal lobe in middle
pimary olfactory cortex
middle of temporal “snail”
primary visual cortex
very back of head
-occipital lobe
primary gustatory cortex
on insula under base of middle noodle
-insula
gnostic area
area around fold b/w occipital, temporal, and parietal
Wernicke’s area
middle of gnostic area
longitudinal fissure
down the middle long ways
transverse fissure
slice above cerebellum
central sulcus
line in b/w noodles
lateral sulcus
line above temporal
corpus callosum
horns on alien
anterior and posterior commissures
- tiny circle on base of corpus collosum (ant)
- tiny circle across ^ medially (post)
intermediate mass/interthalamic adhesion
tiny circle inside thalamus
caudate nucleus
horns of putamen
putamen
bulb with horns next to thalamus
amygdaloid body
circle at the end of caudate nucleus
pineal gland
next to posterior commissure
infundibulum
base of pituitary gland
pituitary gland
under hypothalamus
cerebral peduncles
“tendons” connected to thalamus
tectal plate
made up of sup/inf colliculi
sup/inf colliculi
2 bumbs next to cerebral peduncles
pons
large bulb above medulla oblongata
mammillary body
small bump connected to pituitary gland
olive
sides of medulla oblongata
pyramids
front “butt” of medulla
folia
“leaves” of cerebellum
gray matter
outside border of cerebellum
arbor vitae
“tree trunk” of cerebellum
vermis
butterfly stem or cerebellum
conus medullaris
cone @ thoracic and lumbar connection
cauda equina
chunk @ base of spine
film terminale
branching out @ saccrum
posterior median sulcus
spinal cord back invagination
anterior median sulcus
spinal cord front invagination
cervical enlargement
bump @ topp
lumbosacral enlargement
enlargement @ butt
dura mater (spine)
wraps around spinal cord after arachnoid mater
arachnoid mater (spine)
wraps around spinal cord after pia mater
pia mater (spine)
directly wraps around spinal cord
subarachnoid mater (spine)
space b/w pia and arachnoid
epidural space
in b/w dura mater and vertebrae (contains fat)
denticulate ligaments
ligaments in sub arachnoid space anchoring spinal cord to arachnoid mater
anterior horn
front horn
posterior horn
back horn
gray commisure (spine)
inside
white commissure (spine)
outside
central canal
hole in the middle
anterior funiculi
front space of white matter
posterior funiculi
back space of white matter
lateral funiculi
side space of white matter
posterior root
back root connected to spinal cord
anterior root
front root connected to spinal cord
rami communicantes
bridge to lateral to spine (alt highway)