pyramidal tract
nounAnatomy.
any of four tracts of descending motor fibers that extend in pairs down each side of the spinal column and function in voluntary movement.
Origin of pyramidal tract
1First recorded in 1885–90
Words Nearby pyramidal tract
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use pyramidal tract in a sentence
In the reflex, the lower center is aroused by a sensory nerve, and in the voluntary movement by the pyramidal tract.
Psychology | Robert S. WoodworthThese are cerebral influences acting by way of the pyramidal tract upon the spinal center for the reflex.
Psychology | Robert S. WoodworthThey included portions of all the tracts, the pyramidal tract as well.
Arteriosclerosis and Hypertension: | Louis Marshall WarfieldThe remaining fibres pass down as the direct pyramidal tract, and decussate in the cord near their termination.
Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition. | Alexander Miles
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