muscle fiber

noun

1. one of the structural cells of a muscle.

Word History and Origins

Origin of muscle fiber¹

First recorded in 1875–80

Example Sentences

Obesity typically causes a reduction in muscle fiber diameter, but green tea prevented this muscle atrophy.

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"On MRI images, this decline can be seen as fatty degeneration of the muscle, where streaks of fat replace muscle fibers."

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When you train your muscles, or get injured, these satellite cells are activated to form new muscle fibers.

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Along with blue connective tissue and purple muscle fibers, the striped structure brings to mind …

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Advocates suggest subsequent millennia spent chasing down prey shaped many unique human features, including our springy arched feet, slow-twitch muscle fibers optimized for efficiency, heat-shedding bare skin, and prodigious ability to sweat.

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