| muscle fiber n. A cylindrical, multinucleate cell composed of numerous myofibrils that contracts when stimulated. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  muscle fiber - an elongated contractile cell that forms the muscles of the bodyfibre, fiber - any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber) somatic cell, vegetative cell - any of the cells of a plant or animal except the reproductive cells; a cell that does not participate in the production of gametes; "somatic cells are produced from preexisting cells"; striated muscle cell, striated muscle fiber - an elongated contractile cell in striated muscle tissue smooth muscle cell - cells of the smooth muscles |
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