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motor unit

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noun Cell Biology, Physiology.
  1. a motor neuron and the muscle fibers innervated by its axon.
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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

Historical Examples

  • The upshot of it was that somebody reported him, and the officer in command of his "motor-unit" read him a stern lecture.

    Jimmie Higgins

    Upton Sinclair

  • 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?

    Jimmie Higgins

    Upton Sinclair

motor unit in Medicine

motor unit

n.
  1. A single somatic motor neuron and the group of muscle fibers innervated by it.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.