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neuro > Topographic Anatomy > Flashcards

Topographic Anatomy Flashcards

1
Q

conus medullaris

A

the lowest tampering portion of the spinal chord

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2
Q

cauda equina

A

the pia mater extending beyond the conus medullaris

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3
Q

dorsolateral sulci

A

a small groove for the exit of nerve roots

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4
Q

ventrolateral sulci

A

a small groove for the exit of nerve roots

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5
Q

spine: anterior median sulcus

A

groove for vertebral artery

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6
Q

dorsal median sulcus

A

?

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7
Q

dorsal intermediate sulcus

A

only present in the upper spinal chord, separates arm and leg fibers

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8
Q

dorsal funiculus

A

the funiculus between the posterior median and posteriolateral sulci

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9
Q

lateral funiculus

A

between the dorsolateral and ventrolateral sulci

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10
Q

ventral funiculus

A

ventrolateral and anterior median sulcus

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11
Q

dorsal column

A

a tract that ascends in the dorsal column that conveys vibrations and well localized touch

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12
Q

ventral horn

A

alpha motor neurons

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13
Q

dorsal horn

A

sensory fibers

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14
Q

substantia gelationsa

A

the posterior portion of the dorsal horn

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15
Q

pons

A

the intermediate portion of the brainstem

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16
Q

medulla

A

the portion of the brain stem extending inferiorly from the pons to spinal chord

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17
Q

midbrain

A

the portion of the brain stem extending superiorly from the pons to diencephalon

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18
Q

inferior olive

A

a large ventral protuberance in the medulla

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19
Q

CN XII

A

arises from the preolivary sulcus (ventral side)

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20
Q

CN IX

A

arises form the postolivary sulcus(dorsal side)

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21
Q

CN X

A

arises form the postolivary sulcus(dorsal side)

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22
Q

medullary pyramids

A

ventral medullary structures that control voluntary movements

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23
Q

pyramidal decussation

A

site at which motor fibers in the medullary pyramids cross to the contralateral side

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24
Q

CN VI

A

arises from the junction of the pons and medulla

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25
Q

CNVII

A

arises from the junction of the pons and medulla

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26
Q

CN VIII

A

arises from the junction of the pons and medulla

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27
Q

CN V

A

arises from the middle cerebellar peduncle

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28
Q

cerebral peduncles

A

contains nerve fibers from the cortext heading to the brainstem

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29
Q

crus cerebri

A

aka cerebral peduncles

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30
Q

interpeduncular fossa

A

CN III arises here

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31
Q

CN III

A

arises from the interpeduncular fossa

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32
Q

cerebellum

A

large lobe on the posterior aspect of the brain

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33
Q

folia

A

small folds of the cerebellum

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34
Q

primary fissure

A

a deep division that separates the anterior and posterior divisons of the cerebellum

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35
Q

vermis

A

middle portion of the cerebellum

36
Q

flocculus

A

lobes on the lateral portion between the cerebellum and midbrain

37
Q

nodulus

A

lobes on the medial portion between the cerebellum and midbrain

38
Q

inferior peduncle

A

dorsolateral side of medulla, appears like a continuation of the spinal chord

39
Q

restirform body

A

inferior peduncle

40
Q

middle cerebellar peduncles

A

connects the basal pons to the cerebellum

41
Q

superior cerebellar peduncle

A

connects the cerebellum down to the rostral portion of the brainstem

42
Q

fourth ventricle

A

separates the cerebellum from the dorsal brain stem

43
Q

foramina of Lushka

A

a lateral foramen of the fourth ventricle that allows passage of CSF from the subarachnoid space

44
Q

foramen of Magendie

A

a lateral foramen of the third ventricles that allows passage of CSF from the subarachnoid space

45
Q

obex

A

the terminal portion of the fourth ventricle

46
Q

gracile

A

medial tubercles on the caudal medulla, upward continuation of the dorsal columns

47
Q

cuneate tubercles

A

lateral tubercles on the caudal medulla, upward continuation of the dorsal columns

48
Q

facial colliculus

A

prominence on the floor of the fourth ventricle

49
Q

vestibular trigone

A

prominence on the floor of the fourth ventricle

50
Q

corpora quadrigemina

A

four prominences responsible for hearing and visaul reflexes located on the dorsum of the midbrain

51
Q

inferior colliculus

A

dorsal midbrain colliculi associated with hearing

52
Q

superior colliculi

A

dorsal midbrain colliculi associated with visual reflexes

53
Q

brachium of inferior colliculi

A

small ridges in the dorsal midbrain running laterally from the inferior colliculus

54
Q

brachium of superior colliculi

A

small ridges in the dorsal midbrain running laterally from the superior colliculus

55
Q

diencephalon

A

thalamus, hypothalamus, epithalamus

56
Q

thalamus

A

portion of the diencephalon

57
Q

hypothalamus

A

portion of the diencephalon responsible for fight, flight, ect

58
Q

epithalmus

A

small part of brain associated with the pineal gland

59
Q

mamillary bodies

A

two prominence on the posterior aspect of the hypothalamus

60
Q

infundibulum

A

the stalk of the pituitary, runs down the midline of the midbrain

61
Q

lamina terminalis

A

rostral side of the infundibulum of the pituitary

62
Q

optic chiasm

A

rostral to the infundibulum

63
Q

thalmic adhesion

A

a connection between the two thalami

64
Q

stria medullaris thalami

A

a ridge that runs from anterior to posterior along the third ventricle

65
Q

habenula

A

stalk of the pineal gland

66
Q

Sylvian fissure

A

lateral fissure

67
Q

central sulcus

A

divides the post and precentral gyri

68
Q

parieto-occipital sulcus

A

divides the parietal and occipital lobes

69
Q

frontal lobe

A

anterior to the central sulcus

70
Q

temporal

A

inferior to the sylvian fissure, hearing

71
Q

precentral gyrus

A

control of movement

72
Q

postcentral gyrus

A

sensation

73
Q

transverse gyri

A

temporal lobe, responsible for hearing

74
Q

insula

A

a group of small gyri tucked underneath the temporal lobe

75
Q

calcarine sulcus

A

runs from the posterior tip of the occipital lobe toward the parieto-occipital sulcus. Borders visual gyri

76
Q

corpus callosum

A

connects the two hemispheres

77
Q

rostrum

A

anterior portion of the corpus callosum

78
Q

splenium

A

posterior portion of the corpus callosum

79
Q

subcallosal region

A

portion of the cingulate gyrus that wraps around the rostrum of the corpus callosum anteriorly

80
Q

septum pellucidum

A

a thin membrane that separates the two lateral ventricles

81
Q

anterior commissure

A

a small tract immediately adjacent to the course of the fornix

82
Q

foramen of Monroe

A

an opening from the lateral to third ventricles

83
Q

choroid plexus

A

irregular tissue extending through the foramen of Monroe to the third ventricle

84
Q

caudate nucleus

A

floor of the lateral ventricle, runs from posterior to anterior

85
Q

stria terminalis

A

a thin band that is in the groove between the thalamus and caudate nucleus. Connects the amygdala and hypothalamus

neuro (10 decks)

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