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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
CNVII
arises from the junction of the pons and medulla
26
CN VIII
arises from the junction of the pons and medulla
27
CN V
arises from the middle cerebellar peduncle
28
cerebral peduncles
contains nerve fibers from the cortext heading to the brainstem
29
crus cerebri
aka cerebral peduncles
30
interpeduncular fossa
CN III arises here
31
CN III
arises from the interpeduncular fossa
32
cerebellum
large lobe on the posterior aspect of the brain
33
folia
small folds of the cerebellum
34
primary fissure
a deep division that separates the anterior and posterior divisons of the cerebellum
35
vermis
middle portion of the cerebellum
36
flocculus
lobes on the lateral portion between the cerebellum and midbrain
37
nodulus
lobes on the medial portion between the cerebellum and midbrain
38
inferior peduncle
dorsolateral side of medulla, appears like a continuation of the spinal chord
39
restirform body
inferior peduncle
40
middle cerebellar peduncles
connects the basal pons to the cerebellum
41
superior cerebellar peduncle
connects the cerebellum down to the rostral portion of the brainstem
42
fourth ventricle
separates the cerebellum from the dorsal brain stem
43
foramina of Lushka
a lateral foramen of the fourth ventricle that allows passage of CSF from the subarachnoid space
44
foramen of Magendie
a lateral foramen of the third ventricles that allows passage of CSF from the subarachnoid space
45
obex
the terminal portion of the fourth ventricle
46
gracile
medial tubercles on the caudal medulla, upward continuation of the dorsal columns
47
cuneate tubercles
lateral tubercles on the caudal medulla, upward continuation of the dorsal columns
48
facial colliculus
prominence on the floor of the fourth ventricle
49
vestibular trigone
prominence on the floor of the fourth ventricle
50
corpora quadrigemina
four prominences responsible for hearing and visaul reflexes located on the dorsum of the midbrain
51
inferior colliculus
dorsal midbrain colliculi associated with hearing
52
superior colliculi
dorsal midbrain colliculi associated with visual reflexes
53
brachium of inferior colliculi
small ridges in the dorsal midbrain running laterally from the inferior colliculus
54
brachium of superior colliculi
small ridges in the dorsal midbrain running laterally from the superior colliculus
55
diencephalon
thalamus, hypothalamus, epithalamus
56
thalamus
portion of the diencephalon
57
hypothalamus
portion of the diencephalon responsible for fight, flight, ect
58
epithalmus
small part of brain associated with the pineal gland
59
mamillary bodies
two prominence on the posterior aspect of the hypothalamus
60
infundibulum
the stalk of the pituitary, runs down the midline of the midbrain
61
lamina terminalis
rostral side of the infundibulum of the pituitary
62
optic chiasm
rostral to the infundibulum
63
thalmic adhesion
a connection between the two thalami
64
stria medullaris thalami
a ridge that runs from anterior to posterior along the third ventricle
65
habenula
stalk of the pineal gland
66
Sylvian fissure
lateral fissure
67
central sulcus
divides the post and precentral gyri
68
parieto-occipital sulcus
divides the parietal and occipital lobes
69
frontal lobe
anterior to the central sulcus
70
temporal
inferior to the sylvian fissure, hearing
71
precentral gyrus
control of movement
72
postcentral gyrus
sensation
73
transverse gyri
temporal lobe, responsible for hearing
74
insula
a group of small gyri tucked underneath the temporal lobe
75
calcarine sulcus
runs from the posterior tip of the occipital lobe toward the parieto-occipital sulcus. Borders visual gyri
76
corpus callosum
connects the two hemispheres
77
rostrum
anterior portion of the corpus callosum
78
splenium
posterior portion of the corpus callosum
79
subcallosal region
portion of the cingulate gyrus that wraps around the rostrum of the corpus callosum anteriorly
80
septum pellucidum
a thin membrane that separates the two lateral ventricles
81
anterior commissure
a small tract immediately adjacent to the course of the fornix
82
foramen of Monroe
an opening from the lateral to third ventricles
83
choroid plexus
irregular tissue extending through the foramen of Monroe to the third ventricle
84
caudate nucleus
floor of the lateral ventricle, runs from posterior to anterior
85
stria terminalis
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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