Intro to brainstem Flashcards

1
Q

Separates occipital lobe from the cerebellum

A

Tentorium cerebelli

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2
Q

CN Nuclei in the midbrain

A

3

4

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3
Q

CN in the pons

A

5-8

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4
Q

CN in the medulla

A

9-12

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5
Q

Upper dorsal boundary of medulla

A

Stria medullaris

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6
Q

Upper dorsal boundary of pons

A

Exit of CN 4

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7
Q

Tissue dorsal to plane of cerebral aqueduct

A

Tectum

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8
Q

Most ventral segment of brainstem containing descending motor cortical tracts

A

Basis

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9
Q

Core between tectum and basis containing CN nucleu, ascending sensory tracts

A

Tegmentum

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10
Q

Massive bundle fibers connecting cerebral cortex with the brainstem

A

Crus cerebri or cerebral peduncles

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11
Q

Fossa where CN 3 oculomotor exits

A

Interpenduncular fossa

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12
Q

CN exiting on the dorsal surface of the midbrain

A

CN 4 trochlear

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13
Q

Visual relay nucleus connecting to lateral geniculate body in diencephalon

A

Superior colliculus

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14
Q

Auditory relay nucleus connecting medial geniculate body in the diencephalon

A

Inferior colliculus

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15
Q

Exit of CN 6 7 8

A

Inferior pontine sulcus

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16
Q

Angle where CN 7 8 exits

A

Cerebellopontine angle

17
Q

Depression in the anteromedian of pons

A

Basilar sulcus

18
Q

CN Located at the anterolateral portion of pons

A

CN 5

19
Q

Floor of the IV ventricle

A

Rhomboid fossa

20
Q

Demarcates the basal plate and alar plate derivatives

A

Sulcus limitans

21
Q

Fiber tract carrying conscious proprioceptive impulses from lower extremities

A

Fasciculus gracilis

22
Q

Enlargement lateral to fasciculus cuneatum which overlies the spinal nucleus of CN 5

A

Tuberculum cinerium

23
Q

CN located at the lateral of pons

A

CN 5

24
Q

Exit of CN 12

A

Anterolateral or preolivary sulcus

25
Q

Exit of CN 9 10 11

A

Post olivary sulcus

26
Q

Neural cavity in Open Medulla

A

Fourth Ventricle

26
Q

Neural cavity in the Closed Medulla

A

Central Canal