muscle fiber

American  

noun

1. one of the structural cells of a muscle.

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Etymology

Origin of muscle fiber

First recorded in 1875–80

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Compare meaning

How does muscle-fiber compare to similar and commonly confused words? Explore the most common comparisons:

• myofibril vs. muscle fiber

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Example Sentences

See Examples For:

muscle fiber

"The biggest surprise about this was finding that a macrophage has a synaptic-like property that delivers an ion to a muscle fiber to facilitate its repair after an injury," Jankowski says.

From Science Daily ● Nov. 24, 2025

Because of a mutation in the gene for dystrophin, DMD patients lack functioning copies of the huge protein that serves as a shock absorber inside muscle fiber cells.

From Science Magazine ● May 23, 2023

Luckily, food scientists are now finding creative new ways to re-create fish’s intricate sheets of parallel muscle fiber.

From Scientific American ● Feb. 28, 2023

Earlier, Bayern coach Julian Nagelsmann said Coman’s injury “doesn’t look so good” and that he hoped it was “just a muscle fiber tear and nothing more serious.”

From Seattle Times ● Sep. 9, 2022

His muscle fiber had drawn strength from the ax and the log-pole, but as yet it had not become heavy with decades of hard labor.

From Destiny by Charles Neville Buck

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