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Corticospinal Tract


Updated January 14, 2008

Definition: Nerve structures that begin in the sensorimotor areas of the cortex and go through the brainstem to the motor neurons of the spinal cord. Its main functions are to control motor movement, including fine motor control and maintaining posture.

In multiple sclerosis (MS), lesions on the corticospinal tract cause symptoms of spasticity and paralysis.

Also Known As: pyramidal tract
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  5. Corticospinal Tract and Multiple Sclerosis - Definition of Corticospinal Tract

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