motor unit

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noun Cell Biology, Physiology.

a motor neuron and the muscle fibers innervated by its axon.

Nearby words

  1. motor sailer,
  2. motor scooter,
  3. motor speech center,
  4. motor torpedo boat,
  5. motor truck,
  6. motor urgency,
  7. motor van,
  8. motor vehicle,
  9. motor vessel,
  10. motor voter law

Origin of motor unit

First recorded in 1965–70

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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.

    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


Medicine definitions for motor unit

motor unit

n.

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.