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

Nature also developed myelin, the fatty sheath around nerve fibers that allows electrical signals to travel up to 100 times faster than through unmyelinated neurons. — Bratin Saha, Forbes.com, 21 Aug. 2026

The result is a public dataset that maps thousands of individual nerve fibers across the body. — Mary Randolph, Scientific American, 11 Aug. 2026

White blood cells and inflammatory proteins were flooding into her backbone, damaging nerve fibers that carry electrical signals between brain and body. — Mike Hixenbaugh, NBC news, 30 June 2026

Scarring frequently gets in the way of nerve fiber regrowth, while nerve cells usually cannot regenerate on their own. — Andrew Paul, Popular Science, 3 June 2026

Word History

First Known Use

circa 1847, in the meaning defined above

Rhymes for nerve fiber

• cyber
• fibre
• prescriber
• subscriber
• transcriber

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