final practical Flashcards
1
Q
vertebral arteries
A
what branches downward into vertebral column
-divides off into two sides from basilar artery
2
Q
basilar artery
A
main center artery
-every artery branches off
3
Q
anterior inferior cerebellar arteries
A
branch off of the basilar artery
-at base of cerebellum
4
Q
what comes out of the anterior inferior cerebellar arteries?
A
labyrinthine artery
-unlikely to be seen on a brain specimen
5
Q
lobes of the brain
A
frontal, parietal, occipital, temporal, limbic, and insula
6
Q
frontal lobe
A
frontal pole of head
-higher processing : thinking, decision making, planning
7
Q
parietal lobe
A
sensory information
8
Q
temporal lobe
A
bottom and side of head
-auditory information
9
Q
occipital lobe
A
back pole of head
-visual information
10
Q
limbic lobe
A
surrounding corpus callosum
-memory and emotions
11
Q
insula lobe
A
interior lobe within the opening of sylvian fissure
-involved in consciousness
12
Q
central sulcus
A
separates frontal from parietal lobe
13
Q
precentral gyrus
A
gyrus in front of central sulcus
-M1
14
Q
postcentral gyrus
A
gyrus behind the central sulcus
-S1
15
Q
lateral (sylvian) sulcus
A
between frontal and temporal lobe
16
Q
longitudinal fissure
A
separates the two hemispheres
17
Q
angular gyrus
A
where the lateral sulcus end
18
Q
supramarginal gyrus
A
area above the ending of lateral sulcus
19
Q
layers of meninges
A
PAD
-pia, arachnoid, dura
20
Q
broca’s area
A
within frontal lobe
-inferior location
21
Q
wernicke’s area
A
posterior portion of superior temporal gyrus
22
Q
CN 7
A
pons level
-superior
23
Q
CN 8
A
pons level
-inferior/lateral to CN 7
24
Q
where is CN 10
A
medulla level
25
cerebellum
two ball like shapes on the posterior side of brainstem
-hang off the braim
26
vermis
medial portion of cerebellum
-connects the sides
27
nodulus
toward midline from the flocculus
28
flocculus
above tonsil
-follow this to the nodulus
29
tonsil of cerebellum
bump hanging off cerebellum
30
arbor vitae
the branching of nerve tissue within cerebellum
31
cerebellar peduncles
superior, middle, and inferior
32
sagittal slice
dividing into left and right portions
33
coronal slice
dividing into front and back portions
34
horizontal or transverse slice
dividing into top and bottom portions
35
corpus callosum
center "c" within a sagittal slice
-below the limbic lobe
36
divisions of corpus callosum
rostrum, genu, trunk, sulcus, splenium
37
anterior commissure
most anterior portion of the corpus callosum
38
ventricles
3rd, 4th, and lateral
39
lateral ventricles
wraps around the thalamus
40
3rd ventricle
between the two thalami
41
4th ventricle
posterior to pons and medulla
42
septum pellucidum
space within the corpus callosum
43
brainstem structures
midbrain, pons, medulla
44
fornix
smalller "c" shape structure under the septum pellucidum
45
thalamus
structure on top of midbrain
-2 thalami
46
cerebral aqueduct
runs down the back side of medulla
-between the 3rd and 4th ventricle
47
choroid plexus
within pia layer and lines ventricles
48
substantia nigra
coronal slice : lateral to 3rd ventricle and hypothalamus
-black brain matter
49
corona radiata
light colored brain area
-bundles going from thalamus out to cortex
50
internal capsule
horizontal slice : from ending of lateral ventricle to the end of the thalamus
51
auditory radiations
fibers between the MGB and the A1
52
M1
precentral gyrus
-primary motor
53
S1
postcentral gyrus
-primary somatosensory
54
A1
heschl'e gyrus
-primary auditory
55
V1
pole of occipital lobe
-primary visual
56
hippocampus
horizontal slice : comes off bottom portion of internal capsule and located at the lateral portion of this
57
planum temporale
secondary auditory area
-behind A1
58
review skull/cranium
include fossa and foramen
59
temporal bone portions
squamous, mastoid, petrous and tympanic
60
internal auditory canal
medial view within petrous portion
61
carotid canal
end of petrous portion (most medial)
-seen as an underview of skull near sphenoid bone
62
groove of the sigmoid sinus
within mastoid portion the temporal bone
-medial view
63
mastoid air cells
protective function
-within mastoid portion and appears as bubbles
64
semicircular canals
anterior (superior), horizonatal, and posterior (lateral)
65
external auditory meatus
tympanic portion on lateral view
66
8CSLIMA
CN 8, cochlea nucleus, superior olivary complex, lateral lemniscus, inferior collicullis, medial geniculate nucleus, A1
67
CN 8
first step of the 8CSLIMA
68
cochlear nucleus
4th ventricle area
69
superior olivary complex
medial on pons
70
lateral lemniscus
fibers on lateral edges of pons
71
inferior colliculus
bulge under thalamus
72
medial geniculate nucleus
on edge of IC
-includes LGB
73
A1
heschl's gyrus
-frontal off of corona radiata
-in front of planum temporale
74
outer ear
pinna and external canal
75
middle ear
TM, ossicles, ET, round and oval window to go into inner ear
76
inner ear
cochlea, semicircular canals and internal acoustic canal
77
arcuate fasciculus
bundle of axons that connect broca's to wenicke's
78
organ of corti model
sits on the membrane
79
scala vestibuli
top cavity in cochlea
80
scala media
middle cavity within cochlea
81
scala tympani
bottom cavity in cochlea
82
spiral ganglion
comes off of CN 8 fibers, leads into basilar membrane
83
reissner's membrane
below the vestibuli and above the media
84
basilar membrane
below scala media and above scala tympani
85
osseus spiral lamina
medial portion of basilar membrane
-on scale tympani side
86
spiral limbus
most medial portion, just below reissner's membrane
-connect to the edge of the tectorial membrane
87
tectorial membrane
medial section of scala media but lateral of spiral limbus
88
inner hair cell location within organ of corti
first medial row of hair cells under tectorial membrane
89
nuel's space
between outer hair cells and internal pillar
90
deiters cells
sits under outer hair cells
91
outer hair cell location within organ of corti
multiple rows of hair cells, lateral of tunnel of corti
92
tunnel of corti
between inner and outer hair cells
93
hensen's cell
lateral of outer hair cells
94
claudius cell
above spiral ligament and lateral of hensen's cells
95
spiral ligament
at lateral edge of basilar membrane
96
stria vascularis
on lateral (temporal bone) edge of scale media
97
spiral prominence
bulge on the temporal bone side
98
8VVCROSS
CN 8, vestibular nuclei ipsi, vestibular nuclei contra, cerebellum, reticular formation, oculomotor muscle nuclei, spinal cord, sensory area/sylvian fissure/S1
99
inner spiral sulcus
medial and inferior to the tectorial membrane
-hole/opening right off of spiral limbus
100
internal pillar epithelial cell
lateral to inner hair cells
101
external pillar epithelial cell
lateral to internal pillar epithelial cells
102
outer tunnel
between outer hair cells and outer border cells
-end of tectorial membrane
103
outer border cell
medial of hensen's cells
104
inner border cell
medial to inner hair cells
105
inner phalangeal epithelial cell
inferior and lateral to inner hair cells
106
inner tunnel
inferior to the pillar epithelial cells
107
vessel of basilar membrane
inferior to the tunnel and at a center point on the basilar membrane
108
boettcher's cell
cell type directly on top of the basilar membrane
-below hensen's cells
109
fibroblast
between stria vasculalris and temporal bone
-"blue wave" like appearance on model
