m: corticospinal Flashcards

1
Q

divisions of corticospinal tract

A

lateral and anterior

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2
Q

where does lateral corticospinal tract travel

A

lateral column

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3
Q

where does ant corticospinal tract travel

A

anterior column

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4
Q

function of lateral corticospinal tract

A

skill, extremities

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5
Q

function of ant corticospinal tract

A

posture

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6
Q

whats corticospinal fibres transmit

A

voluntary, discrete, skilled movements

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7
Q

what supplies lat corticospinal tract

A

ant / post spinal arteries (both)

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8
Q

where does corticospinal tract originate

A

motor cortex

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9
Q

anterior to posterior whats somatrpic arrangement

A

arms trunk leg

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10
Q

corticospinal tract in midbrain tract

A

ipsilateral through cerebral peddles anteriorly

wide bottom wings

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11
Q

corticospinal tract in pons tract

A

centre lower patches

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12
Q

corticospinal tract in rostral medulla tract

A

bottom

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13
Q

corticospinal tract in caudal medulla tract

A

CROSS in d of pyramids (lat) , rest are ANT tract

leaving the bottom of it

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14
Q

where do lateral CST terminate

A

LMN in anterior horn

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15
Q

where do ant CST terminate

A

cross midline and term on LMN

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