Library / English Dictionary

PYRAMIDAL TRACT

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

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 root of the spinal cord

Synonyms:

corticospinal tract; pyramidal motor system; pyramidal tract

Classified under:

Nouns denoting body parts

Hypernyms ("pyramidal tract" is a kind of...):

efferent; efferent nerve; motor nerve (a nerve that conveys impulses toward or to muscles or glands)

Meronyms (parts of "pyramidal tract"):

basal ganglion (any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement)

Holonyms ("pyramidal tract" is a part of...):

central nervous system; CNS; systema nervosum centrale (the portion of the vertebrate nervous system consisting of the brain and spinal cord)

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