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pyramidal tract

py·ra·mi·daltract

uncommon

noun

1.

any of the important motor nerves 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

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WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.