Definitions for: Pyramidal Motor System


[n] any of the important nerve pathways on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral horn of the spinal cord



Synonyms: corticospinal tract, pyramidal tract

See Also: basal ganglion, central nervous system, CNS, nerve pathway, nerve tract, pathway, systema nervosum centrale, tract

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