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voluntary muscle

noun, Anatomy
muscle whose action is normally controlled by an individual's will; mainly skeletal muscle, composed of parallel bundles of striated, multinucleate fibers.
Origin of voluntary muscle
1780-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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voluntary muscle in Medicine

voluntary muscle n.
A muscle, such as any of the striated muscles except the heart, whose action is normally controlled by individual volition.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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