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ANAT 323 > random stuff you keep forgetting > Flashcards

random stuff you keep forgetting Flashcards

1
Q

what supplies the fasciculus cuneatus and gracilis in SC

A

posterior spinal

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2
Q

what supplies the spino cerebellar pathways in the SC

A

ant spinal

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3
Q

what supplies the corticospinal pathways in the SC

A

ant spinal

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4
Q

where does the decussation happen for the corticospinal pathway

A

decussation of the pyramids

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5
Q

where does the decussation happen for the DCML

A

near the center of the medulla (rostral to decussation of pyramids but caudal to open medulla)

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6
Q

where does decussation happen for spinothalamic

A

anterior white ocmmisure

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7
Q

Lesion to DCML pathway unilateral symptoms at one level only?

A

dorsal horn, spinal level, exiting nerve

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8
Q

Lesion to DCML pathway bilateral symptoms

A

internal arcuate fibers

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9
Q

Lesion to DCML pathway ipsilateral symptoms below level

A

white matter (dorsal column)

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10
Q

lesion to DCML pathway with contralateral suymtpoms

A

above decussation

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11
Q

lesion to SPTH that would cause bilateral symptoms at level only

A

anterior white commissure

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12
Q

lesion nto SPTH that would cause ipsilateral symptoms below level of lesion

A

not possible

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13
Q

lesion nto SPTH that would cause ipsilateral symptoms at level of lesion

A

dorsal horn

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14
Q

lesion to corticospinal that would result in ipsilateral symptoms below level

A

lesion to UMN below the level of decussation (ex: in the lateral column)

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15
Q

lesion to corticospinal that would result in contralateral below level

A

above decussation (above the decussation of pyraminds0

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16
Q

lesion to corticospinal that would result in contralateral at level

A

impossible

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17
Q

lesion to corticospinal that would result in ipsilateral at level

A

LMN lesion (anterior horn, spinal n)

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18
Q

in the rostral medulla, what supplies the medial lem

A

anterior spinal

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19
Q

in the rostral medulla, what supplies the spinal lem

A

PICA

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20
Q

in the rostral medulla, what supplies the corticospinla tract

A

anterior spinal

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21
Q

in the pons, what supplies the medial lem

A

basilar

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22
Q

in the pons, what supplies the spinal lem

A

basilar (some superior cerebellar)

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23
Q

in the pons, what supplies the cortcispinal tract

A

basilar

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24
Q

in the midbrain, what supples the medial lem

A

posterior cerebral

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25
Q

in the midbrain, what supplies the spinal lem

A

posterior cerberal

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26
Q

in the midbrain, what supplies the corticospinal tract

A

posterior cerebral

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27
Q

where is synapse between 1 and 2 in DCML

A

nucleus cuneatus/gracilis

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28
Q

where is synapse between 1 and 2 in SPTH

A

dorsal horn (nucleus proprius0

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29
Q

where is synapse between 1 and 2 in trigeminal lemnicus pathway

A

chief sensory nucleis

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30
Q

where is synapse between 1 and 2 in trigeminothalamic pathway

A

spinal trigeminal nucleus

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31
Q

where is synapse between 2 and 3 in DCML

A

VPL

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32
Q

where is synapse between 2 and 3 in SPTH

A

VPL

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33
Q

where is synapse between 2 and 3 in trigeminal lemn

A

VPM

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34
Q

where is synapse between 2 and 3 in trigeminal thalamo

A

VPM

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35
Q

where is synapse between 1 and 2 in dorsal spinocerebrllar

A

dorsal horn C8-l2/3 (nucleus dorsali

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36
Q

where is synapse between 1 and 2 in cuneo spinocerebrllar

A

accessory nucleus cunteaus

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37
Q

where is synapse between 1 and 2 in ventral spinocerebrllar

A

lumbar spinal border cells

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38
Q

where is synapse between 1 and 2 in rostral spinocerebrllar

A

cervical spinal border cells

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39
Q

blood supply to dorsal roots/rootlets

A

posterior spinal

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40
Q

blood supply yo dorsal horn

A

posterior spinal

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41
Q

blood supply to nucleus cuneatus/gracilis

A

post spinal

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42
Q

blood supply to internal arcuate

A

ant spinal and vertebral

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43
Q

blood supply to medial lem in rostral med

A

ant spinal

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44
Q

blood supply to medial lem in pons

A

basilar

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45
Q

blood supply to medial lem in rostral midbran

A

posterior cerebral

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46
Q

blood supply to thalamus

A

posterior cerebral (deep)blo

47
Q

blood supply to posterior limb internal captsule

A

anterior choroidal

48
Q

blood supply to primary somatosensory for lower limb

A

anterior cerebral

49
Q

blood supply to primary somatosensory for everything except lower limb

A

middle cerebral

50
Q
A
50
Q

blood supply to anterior white s=comissur

A

ant spinal

51
Q

blood supply to spinal thalamic tract

A

anterior spinal

52
Q

blood supply to spinal lem in rostral medulla

A

PICA mostly

53
Q

blood supply to spinal lem in pons

A

basilar (superior cerebrellar)

54
Q

blood supply to spinal lem in midbrain

A

posterior cerebral

55
Q

blood supply to rednucleus

A

posterior cerebral

56
Q

blood supply to substantia nigra

A

posterior cerebral

57
Q

blood supply to superior and inferior colliculi

A

superior cerebellar peduncle

58
Q

blood supply to middle cerebellar peduncle

A

AICA

59
Q

blood supply to sup cerebellar peduncle

A

superior cerebellar a

60
Q

blood supply to the pyramids

A

ant spinal

61
Q

blood supply to the inferior oliva=ry nuc

A

vertebral

62
Q

blood supply to inferior cerebellar peduncle

A

PICA

63
Q

blood supply to optic n

A

ophthalmic a

64
Q

blood supply to optic chiasm

A

anterior cerebral nad branches of IC

65
Q

blood supply to optic tract

A

anterior choroidal and posterior comminication

66
Q

blood supply to LGN

A

deep posterior cerebral

67
Q

blood supply to primary visual cortex

A

posterior cerberal

68
Q

blood supply to olfactory n

A

opthalmic and branches of anterior cerebralblood supply to olfactory n

69
Q

blood supply to olfactory bulb and tract

A

anterior cerebral

70
Q

blood supply to primary olfactory cortex

A

posterior and middle cerebral
and anterior choroidal

71
Q

what are the two brainstem nuclei that went thru secondary migration (moved more ventrally)

A

branchial motor and somatic sensory

72
Q

where are the primary cell bodies located for extrapyramidal pathways

A

specialized brainstem nucleu

73
Q

sensory neurons are what type

A

pseudo

74
Q

motor neurons are what type

A

multipolar

75
Q

where does decussation of the pyramids happen

A

spin-medullary junction (caudal medulla_

76
Q

UMN lesions cause contralateral or ipsilateral sumptomd

A

both, depending on location of lesion
abobe=contra
below=ipsi

77
Q

UMN symptoms will be below or at level of lesion

A

below

78
Q

UMN symptoms will be below or at level of lesion

A

at

79
Q

will LMN symptoms of cortcio be ipsilateral or cortalateral

A

psi

80
Q

function of rubrospinal

A

archimotor
facilitate flexor position

81
Q

function of tectonspinal

A

reflexive he’d and eye movements to auditory or visual stim

82
Q

function of reticulospinal

A

balance, posture, stablity
pontine fibers = extensor
medullar fibers= flexor

83
Q

function of vestibulo

A

contreols antigraviry extensor muscles to help maintain balance and posture (stabilize head)

84
Q

decerebrate is flexor or extensor posturing

A

extensor (rubro damage)

85
Q

decorticate is flexor or extensor posturing

A

flexor (rubro fine)

86
Q

substaintioan nigra lovation

A

rostral midbrain

87
Q

parkinson’s symptoms and where damage

A

damage to substantia nigra pars compacta

=akinesia
=bradykinesia
=tremors
=rigidity (esp flexors)

88
Q

hntingon symptoms and where damage

A

daamge to dorsal straitum

=chorea (jerky, =uncrontorllable movemetns)
=cogntiion and memory issues
=enlargement of ventricles

89
Q

ballism symptoms and where damage

A

damage to subthalamic nucleus

=uncontrollable flinging of the limbs

90
Q

salivatory reflex pathway

A

olfactory pathway projects to habenula and hypothalamis

=projects down to superior and inferior salviatory nucleus
(contain preganglionic parasympathetic cell bodies that go down to salivary glands)

91
Q

increase digestive processes reflex pathawy

A

olfactory pathway projects to hypothalamis

=projects down to dorsal motor nucleus of the vagus n

92
Q

where is the oculomotor nucleus located

A

rostral midbrain (superior colliculi)

93
Q

where is the accessory oculomotor nucleus located

A

rostral midbrain (superior colliculi)

94
Q

where is the trochlear nucleus located

A

caudal midbrain (inferior colliculsu(

95
Q

where is the abducens nucleu located

A

caudal pons

96
Q

what is in cavernous plexu

A

auducens n
trochlear n
oculomotor n

trigeminal (othpthalmic, maxillary)
IC
carotid plexus

97
Q

what does the lateral subnucleis supply

A

IR, IO, MR ipsilateral

98
Q

what does the medial subnucleis supply

A

SR contralateral

99
Q

what does the central subnucleis supply

A

lev palp (bilateral)

100
Q

where is the mesepehalic trigmeinal nucleus located

A

midbrain to the pons

101
Q

where is the chief trigeminal sensory nucleus located

A

pons

102
Q

where is the spinal trigeminal sensory nucleus located

A

pons to C3

103
Q

where is the motor trigmeinal nucleus located

A

pons where the trigeminal n is (middle pons)

104
Q

can the trigmeinal tract be located in the caudal pons

A

no, it must be near the chief nucleus level (middle pons)

105
Q

what is the only cranial n involved jaw jerk

A

mandibular branch of trigeminal

106
Q

where are the facial n nucleis

A

caudal aspect pons

107
Q

what are the nuclei located in the rostral midbrain

A

pretectnal nuclei
mesephealic trigeminal motor m=nuclei
occulumotor nuclei
accessory oculomotor

red nucleus

108
Q

what are the nuclei located in the caudal midbrain

A

pretectnal nuclei
trochlear nucleis
mesencepjanic trigemian nuclei

109
Q

what are the nuclei located in the mid pons

A

trigeminal motor nucelus
chief motor nucleis

110
Q

what are the nuclei located in the caudal pons

A

facial motor nucleis
superior salvatori nucleus
abducens nucleis
spinal trigeminal senosyr nucleus
=nucleus solitaris

111
Q

what are the nuclei located in the rostral medulla

A

inferior olivary nucleus

112
Q

what are the nuclei located in the caudal meduall

A

nucleus gracilis and fasiculis

ANAT 323 (25 decks)

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