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Neuro > Johnson Table -- descending motor (UMN) pathways from supraspinal regions to the SC > Flashcards

Johnson Table -- descending motor (UMN) pathways from supraspinal regions to the SC Flashcards

1
Q

corticospinal origin

A

motor cortex

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2
Q

corticospinal spinal location

A

lateral funiculus

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3
Q

corticospinal spinal laterality

A

contralateral

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4
Q

corticospinal spinal termination

A

distal limb LMN pools / CPG

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5
Q

corticospinal function

A

facilitate flexion

inhibit extension

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6
Q

corticobulbar pathway axons serving as UMNs to the muscles in the head terminate where?

A

in the motor nuclei of the cranial nerves in the brainstem

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7
Q

rubrospinal origin

A

red nucleus

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8
Q

rubrospinal spinal location

A

lateral funiculus

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9
Q

rubrospinal spinal lateraligy

A

contralateral

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10
Q

rubrospinal termination

A

forelimb LMN pools / CPG

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11
Q

rubrospinal function

A

facilitate flexion

inhibit extension

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12
Q

lateral vestibulospinal origin

A

lateral vestibular nucleus

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13
Q

lateral vestibulospinal spinal location

A

ventral funiculus

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14
Q

lateral vestibulospinal spinal laterality

A

ipsilateral

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15
Q

lateral vestibulospinal spinal termination

A

prox / axial LMN pools / CPG

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16
Q

lateral vestibulospinal function

A

facilitate extension

inhibit flexion

17
Q

medullary reticulospinal origin

A

medull. retic. form

18
Q

medullary reticulospinal spinal location

A

ventral funiculus

19
Q

medullary reticulospinal spinal laterality

A

bilateral

20
Q

medullary reticulospinal spinal termination

A

prox. axial LMN pools / CPG

21
Q

medullary reticulospinal function

A

facilitate flexion

inhibit extension

22
Q

tectospinal origin

A

rostral colliculus

23
Q

tectospinal spinal location

A

ventral funiculus

24
Q

tectospinal spinal laterality

A

contralateral

25
Q

tectospinal spinal termination

A

prox. / axial LMN pools / CPG

26
Q

tectospinal function

A

visual / audit startle reflexes

Neuro (2 decks)

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