Spinal Pathways: Descending Motor Flashcards

1
Q

Corticospinal

A

Descending motor pathway

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2
Q

Corticospinal Function

A

Facilitate flexion, inhibit extension

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3
Q

Corticospinal Origin

A

Motor cortex

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4
Q

Corticospinal Spinal Location

A

Lateral funiculus

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5
Q

Corticospinal Spinal Termination

A

Distal limb LMN pools/CPG

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6
Q

Corticospinal Spinal Laterality

A

Contralateral

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7
Q

Rubrospinal

A

Descending motor pathway

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8
Q

Rubrospinal Function

A

Facilitate flexion, inhibit extension

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9
Q

Rubrospinal Origin

A

Red nucleus

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10
Q

Rubrospinal Spinal Location

A

Lateral funiciulus

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11
Q

Rubrospinal Spinal Termination

A

Forelimb LMN pools/CPG

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12
Q

Rubrospinal Spinal Laterality

A

Contralateral

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13
Q

Lateral Vestibulospinal

A

Descending motor pathway

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14
Q

Lateral Vestibulospinal Function

A

Facilitates extension, inhibits flexion

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15
Q

Lateral Vestibulospinal Origin

A

Lateral vestibular nucleus

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16
Q

Lateral Vestibulospinal Spinal Location

A

Ventral funiculus

17
Q

Lateral Vestibulospinal Spinal Termination

A

Proximal/axial LMN pools/CPG

18
Q

Lateral Vestibulospinal Spinal Laterality

A

Ipsilateral

19
Q

Medullary Reticulospinal

A

Descending motor pathway

20
Q

Medullary Reticulospinal Function

A

Facilitates flexion, inhibits extension

21
Q

Medullary Reticulospinal Origin

A

Medullary reticular formation

22
Q

Medullary Reticulospinal Spinal Location

A

Ventral funiculus

23
Q

Medullary Reticulospinal Spinal Termination

A

Proximal/axial LMN pools/CPG

24
Q

Medullary Reticulospinal Spinal Laterality

A

Bilateral

25
Q

Tectospinal

A

Descending motor pathway

26
Q

Tectospinal Function

A

Visual/Aduitory startle reflexes

27
Q

Tectospinal Origin

A

Rostral colliculus

28
Q

Tectospinal Spinal Location

A

Ventral funiculus

29
Q

Tectospinal Spinal Termination

A

Proximal/axial LMN pools/CPG

30
Q

Tectospinal Spinal Laterality

A

Contralateral