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
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The immune cells are located near nerve fibers in the liver. ABC News, 28 May 2026 That nerve fiber needs to be insulated in order to work. Marcy Thompson, Scientific American, 16 Apr. 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 Gray matter consists of regions of nerve cell bodies and branching nerve fibers called dendrites, as well as points of connection between nerve cells. Christopher M. Filley, The Conversation, 3 Feb. 2026 See All Example Sentences for nerve fiber

Word History

First Known Use

circa 1847, in the meaning defined above

Time Traveler
The first known use of nerve fiber was circa 1847

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Cite this Entry

“Nerve fiber.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nerve%20fiber. Accessed 7 Jul. 2026.

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
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