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Neuroanatomy > Practical 3: External Topography of the Brainstem > Flashcards

Practical 3: External Topography of the Brainstem Flashcards

1
Q

what does the brainstem consist of

A

medulla, pons and midbrain

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2
Q

where does the medulla become continuous with the spinal cord

A

at the foramen magnum

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3
Q

what cranial nerves come out of the medulla?

A
  • glossopharyngeal
  • vagus
  • spinal accessory
  • hypoglossal
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4
Q

what is the pontomedullary junction

A

where the pons meets the medulla

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5
Q

which cranial nerves exit from the pontomedullary junction

A
  • abducens
  • vestibulo-cochlear
  • facial
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6
Q

what cranial nerve emerges from the pons

A

trigeminal

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7
Q

what cranial nerve emerges from the midbrain

A

trochlear

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8
Q

what nerve emerges from between the cerebral peduncles

A

occulomotor

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9
Q

midbrain - crus cerebri of cerebri peduncles

A
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10
Q

midbrain - infundibulum (pituitary stalk)

A
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11
Q

midbrain - mammillary bodies

A
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12
Q

midbrain - interpeduncular fossa

A
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13
Q

midbrain - anterior perforated substance

A
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14
Q

midbrain - pineal body

A
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15
Q

midbrain - superior and inferior colliculi

A
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16
Q

midbrain - superior and inferior brachium

A
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17
Q

midbrain - superior cerebellar peduncle

A
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18
Q

midbrain - medial and lateral geniculate bodies

A
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19
Q

midbrain cranial nerves

A
  • CNIII (oculomotor)
  • CNIV (trochlear)
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20
Q

CNIII (oculomotor nerve)

A
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21
Q

CNIV (trochlear nerve)

A
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22
Q

pons - groove for basilar artery (basilar sulcus)

A
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23
Q

pons - pontomedullary junction

A
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24
Q

pons - middle and inferior cerebellar peduncles

A
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25
Q

pons - superior medullary velum

A
26
Q

pons - medial eminence

A
27
Q

pons - sulcus limitans

A
28
Q

pons - facial colliculus

A
29
Q

pons - vestibular area

A
30
Q

pons - striae medullares

A
31
Q

pons - hypoglossal triangle (trigone of CNVII)

A
32
Q

pons - vagal triangle (trigone of CNX)

A
33
Q

pons cranial nerves

A
  • CNV (trigeminal)
  • CNVI (abducent)
  • CNVII (facial)
  • CNVIII (vestibulocochlear)
34
Q

CNV (trigeminal nerve)

A
35
Q

CNVI (abducent nerve)

A
36
Q

CNVII (facial nerve)

A
37
Q

CNVIII (vestibulocochlear nerve)

A
38
Q

medulla - ventral (anterior) median fissure

A
39
Q

medulla - pyramids

A
40
Q

medulla - olives

A
41
Q

medulla - decussation of pyramids

A
42
Q

medulla - gracile tubercle

A
43
Q

medulla - cuneate tubercle

A
44
Q

medulla - gracile fasciculus

A
45
Q

medulla - cuneate fasciculus

A
46
Q

medulla cranial nerves

A
  • CNIX (glossopharyngeal)
  • CNXII (hypoglossal)
  • CNX (vagus)
  • CNXI (accessory)
47
Q

CNIX (glossopharyngeal nerve)

A
48
Q

CNXII (hypoglossal nerve)

A
49
Q

CNX (vagus nerve)

A
50
Q

CNXI (accessory nerve)

A
51
Q

which foramen does CNI (olfactory nerve) pass-through

A

olfactory foramina in the cribriform plate

52
Q

which foramen does CNII (optic nerve) pass-through

A

optic canal of sphenoid

53
Q

which foramen does CNIII (occulomotor nerve) pass-through

A

superior orbital fissure

54
Q

which foramen does CNIV (trochlear nerve) pass-through

A

superior orbital fissure

55
Q

which foramen does CNV (trigeminal nerve) pass-through

A
  • superior orbital fissure
  • foramen rotundum
  • foramen ovale
56
Q

which foramen does CNVI (abducens nerve) pass-through

A

superior orbital fissure

57
Q

which foramen does CNVII (facial nerve) pass-through

A

facial canal

58
Q

which foramen does CNVIII (vestibulocochlear nerve) pass-through

A

internal auditory meatus

59
Q

which foramen does CNIX (glossopharyngeal nerve) pass-through

A

jugular foramen

60
Q

which foramen does CNX (vagus nerve) pass-through

A

jugular foramen

61
Q

which foramen does CNXI (accessory nerve) pass-through

A

jugular foramen

62
Q

which foramen does CNXII (hypoglossal nerve) pass-through

A

hypoglossal canal

Neuroanatomy (23 decks)

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