noun Cell Biology, Physiology.
a nerve cell that conducts impulses to a muscle, gland, or other effector.
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Origin of motor neuron
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for motor neuron
A neuron that conveys impulses from the central nervous system to a muscle, gland, or other effector tissue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.