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Tract
(redirected from corticospinal t)

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia 0.01 sec.
tract1
1. Anatomy a system of organs, glands, or other tissues that has a particular function
2. a bundle of nerve fibres having the same function, origin, and termination

tract2
RC Church an anthem in some Masses

Tract 

in the central nervous system, any one of several groups of closely placed nerve fibers having a common morphological structure and common functions. Tracts are divided by function into associative tracts, which unite various sections of the cerebral cortex in the same hemisphere; commisural tracts, which connect both hemispheres and ensure their cooperative activity; and projection tracts, which unite the cerebral cortex with lower brain formations and, through them, with the periphery.



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