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muscle fiber

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noun

one of the structural cells of a muscle.

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Origin of muscle fiber

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for muscle fiber

muscle fiber

n.

A cylindrical multinucleate cell composed of myofibrils that contract when stimulated.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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