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voluntary muscle

noun, Anatomy
1.
muscle whose action is normally controlled by an individual's will; mainly skeletal muscle, composed of parallel bundles of striated, multinucleate fibers.
Origin
1780-1790
1780-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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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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Encyclopedia Article for voluntary muscle

skeletal muscle

most common of the three types of muscle in the body. Striated muscle is attached to bone and produces all the movements of body parts in relation to each other; unlike smooth muscle and cardiac muscle, striated muscle is under voluntary control. Its multinucleated fibres are long and thin and are crossed with a regular pattern of fine red and white lines, giving the muscle its distinctive appearance and its name.

Learn more about skeletal muscle with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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15
18
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