nerve fiber

noun

Anatomy, Physiology.

1. a process, axon, or dendrite of a nerve cell.

nerve fiber

1. See axon

Word History and Origins

Origin of nerve fiber¹

First recorded in 1830–40

Example Sentences

Oligodendrocytes, the cells that produce myelin to insulate nerve fibers, expressed fewer genes required for maintaining and regenerating the myelin sheath.

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Rodents achieve a similar effect with wavy nerve fibers that add flexibility.

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"We believe nerve cells are especially vulnerable to this condition because they have long nerve fibers and need a lot of energy to send signals that control movement."

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White matter consists of bundles of nerve fibers that allow different parts of the brain to communicate.

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Their findings show that the immune system begins attacking the brain's protective myelin sheath -- the fatty covering that insulates nerve fibers -- much earlier than scientists once believed.

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