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AUDE 5160 > final practical > Flashcards

final practical Flashcards

1
Q

vertebral arteries

A

what branches downward into vertebral column
-divides off into two sides from basilar artery

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2
Q

basilar artery

A

main center artery
-every artery branches off

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3
Q

anterior inferior cerebellar arteries

A

branch off of the basilar artery
-at base of cerebellum

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4
Q

what comes out of the anterior inferior cerebellar arteries?

A

labyrinthine artery
-unlikely to be seen on a brain specimen

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5
Q

lobes of the brain

A

frontal, parietal, occipital, temporal, limbic, and insula

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6
Q

frontal lobe

A

frontal pole of head
-higher processing : thinking, decision making, planning

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7
Q

parietal lobe

A

sensory information

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8
Q

temporal lobe

A

bottom and side of head
-auditory information

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9
Q

occipital lobe

A

back pole of head
-visual information

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10
Q

limbic lobe

A

surrounding corpus callosum
-memory and emotions

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11
Q

insula lobe

A

interior lobe within the opening of sylvian fissure
-involved in consciousness

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12
Q

central sulcus

A

separates frontal from parietal lobe

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13
Q

precentral gyrus

A

gyrus in front of central sulcus
-M1

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14
Q

postcentral gyrus

A

gyrus behind the central sulcus
-S1

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15
Q

lateral (sylvian) sulcus

A

between frontal and temporal lobe

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16
Q

longitudinal fissure

A

separates the two hemispheres

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17
Q

angular gyrus

A

where the lateral sulcus end

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18
Q

supramarginal gyrus

A

area above the ending of lateral sulcus

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19
Q

layers of meninges

A

PAD
-pia, arachnoid, dura

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20
Q

broca’s area

A

within frontal lobe
-inferior location

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21
Q

wernicke’s area

A

posterior portion of superior temporal gyrus

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22
Q

CN 7

A

pons level
-superior

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23
Q

CN 8

A

pons level
-inferior/lateral to CN 7

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24
Q

where is CN 10

A

medulla level

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25
Q

cerebellum

A

two ball like shapes on the posterior side of brainstem
-hang off the braim

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26
Q

vermis

A

medial portion of cerebellum
-connects the sides

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27
Q

nodulus

A

toward midline from the flocculus

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28
Q

flocculus

A

above tonsil
-follow this to the nodulus

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29
Q

tonsil of cerebellum

A

bump hanging off cerebellum

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30
Q

arbor vitae

A

the branching of nerve tissue within cerebellum

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31
Q

cerebellar peduncles

A

superior, middle, and inferior

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32
Q

sagittal slice

A

dividing into left and right portions

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33
Q

coronal slice

A

dividing into front and back portions

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34
Q

horizontal or transverse slice

A

dividing into top and bottom portions

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35
Q

corpus callosum

A

center “c” within a sagittal slice
-below the limbic lobe

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36
Q

divisions of corpus callosum

A

rostrum, genu, trunk, sulcus, splenium

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37
Q

anterior commissure

A

most anterior portion of the corpus callosum

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38
Q

ventricles

A

3rd, 4th, and lateral

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39
Q

lateral ventricles

A

wraps around the thalamus

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40
Q

3rd ventricle

A

between the two thalami

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41
Q

4th ventricle

A

posterior to pons and medulla

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42
Q

septum pellucidum

A

space within the corpus callosum

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43
Q

brainstem structures

A

midbrain, pons, medulla

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44
Q

fornix

A

smalller “c” shape structure under the septum pellucidum

45
Q

thalamus

A

structure on top of midbrain
-2 thalami

46
Q

cerebral aqueduct

A

runs down the back side of medulla
-between the 3rd and 4th ventricle

47
Q

choroid plexus

A

within pia layer and lines ventricles

48
Q

substantia nigra

A

coronal slice : lateral to 3rd ventricle and hypothalamus
-black brain matter

49
Q

corona radiata

A

light colored brain area
-bundles going from thalamus out to cortex

50
Q

internal capsule

A

horizontal slice : from ending of lateral ventricle to the end of the thalamus

51
Q

auditory radiations

A

fibers between the MGB and the A1

52
Q

M1

A

precentral gyrus
-primary motor

53
Q

S1

A

postcentral gyrus
-primary somatosensory

54
Q

A1

A

heschl’e gyrus
-primary auditory

55
Q

V1

A

pole of occipital lobe
-primary visual

56
Q

hippocampus

A

horizontal slice : comes off bottom portion of internal capsule and located at the lateral portion of this

57
Q

planum temporale

A

secondary auditory area
-behind A1

58
Q

review skull/cranium

A

include fossa and foramen

59
Q

temporal bone portions

A

squamous, mastoid, petrous and tympanic

60
Q

internal auditory canal

A

medial view within petrous portion

61
Q

carotid canal

A

end of petrous portion (most medial)
-seen as an underview of skull near sphenoid bone

62
Q

groove of the sigmoid sinus

A

within mastoid portion the temporal bone
-medial view

63
Q

mastoid air cells

A

protective function
-within mastoid portion and appears as bubbles

64
Q

semicircular canals

A

anterior (superior), horizonatal, and posterior (lateral)

65
Q

external auditory meatus

A

tympanic portion on lateral view

66
Q

8CSLIMA

A

CN 8, cochlea nucleus, superior olivary complex, lateral lemniscus, inferior collicullis, medial geniculate nucleus, A1

67
Q

CN 8

A

first step of the 8CSLIMA

68
Q

cochlear nucleus

A

4th ventricle area

69
Q

superior olivary complex

A

medial on pons

70
Q

lateral lemniscus

A

fibers on lateral edges of pons

71
Q

inferior colliculus

A

bulge under thalamus

72
Q

medial geniculate nucleus

A

on edge of IC
-includes LGB

73
Q

A1

A

heschl’s gyrus
-frontal off of corona radiata
-in front of planum temporale

74
Q

outer ear

A

pinna and external canal

75
Q

middle ear

A

TM, ossicles, ET, round and oval window to go into inner ear

76
Q

inner ear

A

cochlea, semicircular canals and internal acoustic canal

77
Q

arcuate fasciculus

A

bundle of axons that connect broca’s to wenicke’s

78
Q

organ of corti model

A

sits on the membrane

79
Q

scala vestibuli

A

top cavity in cochlea

80
Q

scala media

A

middle cavity within cochlea

81
Q

scala tympani

A

bottom cavity in cochlea

82
Q

spiral ganglion

A

comes off of CN 8 fibers, leads into basilar membrane

83
Q

reissner’s membrane

A

below the vestibuli and above the media

84
Q

basilar membrane

A

below scala media and above scala tympani

85
Q

osseus spiral lamina

A

medial portion of basilar membrane
-on scale tympani side

86
Q

spiral limbus

A

most medial portion, just below reissner’s membrane
-connect to the edge of the tectorial membrane

87
Q

tectorial membrane

A

medial section of scala media but lateral of spiral limbus

88
Q

inner hair cell location within organ of corti

A

first medial row of hair cells under tectorial membrane

89
Q

nuel’s space

A

between outer hair cells and internal pillar

90
Q

deiters cells

A

sits under outer hair cells

91
Q

outer hair cell location within organ of corti

A

multiple rows of hair cells, lateral of tunnel of corti

92
Q

tunnel of corti

A

between inner and outer hair cells

93
Q

hensen’s cell

A

lateral of outer hair cells

94
Q

claudius cell

A

above spiral ligament and lateral of hensen’s cells

95
Q

spiral ligament

A

at lateral edge of basilar membrane

96
Q

stria vascularis

A

on lateral (temporal bone) edge of scale media

97
Q

spiral prominence

A

bulge on the temporal bone side

98
Q

8VVCROSS

A

CN 8, vestibular nuclei ipsi, vestibular nuclei contra, cerebellum, reticular formation, oculomotor muscle nuclei, spinal cord, sensory area/sylvian fissure/S1

99
Q

inner spiral sulcus

A

medial and inferior to the tectorial membrane
-hole/opening right off of spiral limbus

100
Q

internal pillar epithelial cell

A

lateral to inner hair cells

101
Q

external pillar epithelial cell

A

lateral to internal pillar epithelial cells

102
Q

outer tunnel

A

between outer hair cells and outer border cells
-end of tectorial membrane

103
Q

outer border cell

A

medial of hensen’s cells

104
Q

inner border cell

A

medial to inner hair cells

105
Q

inner phalangeal epithelial cell

A

inferior and lateral to inner hair cells

106
Q

inner tunnel

A

inferior to the pillar epithelial cells

107
Q

vessel of basilar membrane

A

inferior to the tunnel and at a center point on the basilar membrane

108
Q

boettcher’s cell

A

cell type directly on top of the basilar membrane
-below hensen’s cells

109
Q

fibroblast

A

between stria vasculalris and temporal bone
-“blue wave” like appearance on model

AUDE 5160 (23 decks)

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