- a motor neuron and the muscle fibers innervated by its axon.
Origin of motor unit
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for motor unit
The upshot of it was that somebody reported him, and the officer in command of his "motor-unit" read him a stern lecture.
He wrote a letter to the officer in command of his motor-unit, telling what had happened to him, and couldn't it be arranged?
- A single somatic motor neuron and the group of muscle fibers innervated by it.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.