neuro pyramidal system

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Last updated 2:45 AM on 7/10/26
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7 Terms

1
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Corticospinal Tracts Arises from where

primary motor area

2
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Corticospinal Tracts crossing fibers become what

lateral CST and continue caudally through the whole spinal cord (limbs)

3
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Corticospinal Tracts that do not cross form what

ventral (anterior) CST (trunk innervations)

4
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Reticulospinal tract: involved in

facilitation or inhibition of reflex activity through alpha and gamma motor neurons

5
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Rubrospinal tract: responsible for

motor input of gross postural -facilitates flexors, inhibits extensors

6
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Vestibulospinal Tract: Responsible for

ipsilateral gross postural tone -facilitates extensors,inhibits flexors

7
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Tectospinal responsible to

contralateral tone with auditory stimuli