cor·ti·co·spi·nal (kôr t -k -sp  n l)adj. Of or relating to the cerebral cortex and the spinal cord. |
corticospinal
pertaining to or connecting the cerebral cortex and spinal cord.
corticospinal tracts
nerve fibers in these spinal cord motor tracts have their cell bodies in the cerebral cortex. Some have crossed to the opposite side of the cord from their side of origin, some are direct.
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