nerve fiber

noun

: any of the processes (such as axons or dendrites) of a neuron

Examples of nerve fiber in a Sentence

Recent Examples on the Web

Migraines are characterized by severe throbbing pain caused by the activation of nerve fibers within the wall of brain blood vessels. —Tribune News Service, The Mercury News, 20 June 2024

The disease affects the central nervous system, attacking the substance that protects nerve fibers (myelin), damaging nerves and disrupting communication between the brain and the body. —Jessie Opoien, Journal Sentinel, 22 May 2024

The immune system attacks the myelin, or protective sheath, that covers nerve fibers. —Kerry Breen, CBS News, 8 June 2024

Those changes in turn help to limit mechanical strain on the optic nerve head, the funnel through which more than a million nerve fibers from the retina come together to transmit visual signals to the brain. —IEEE Spectrum, 22 Mar. 2024

Word History

First Known Use

circa 1847, in the meaning defined above

Kids Definition

nerve fiber

noun

: any of the long thin parts that lead to or away from the cell body of a neuron and include axons and dendrites

Medical Definition

nerve fiber

noun

: any of the processes (as an axon or a dendrite) of a neuron