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

Anytime you’re backed into a corner, you tend to have fast twitch, muscle fiber thinking — you’re able to find new pathways really fast.

From Digiday

You’re training your nervous system to fire more muscle fibers at once, leading to stronger and faster muscle contractions.

From Outside Online

When millions of new cells have grown, they are encouraged to differentiate into muscle cells and eventually strands of muscle fiber.

From MIT Technology Review

It’s far from clear that muscle fibers tell you anything useful about whether a 10K runner who is already putting in 100 miles a week should increase their mileage.

From Outside Online

In the end, the simple version of the muscle fiber story is still in the wrong-but-useful category.

From Outside Online

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 Project Gutenberg

It is a general rule of the nervous system that no nerve cell extends without a break from any sense organ to any muscle fiber.

From Project Gutenberg