nerve fiber


Definition of nerve fiber

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

Examples of nerve fiber in a Sentence

Recent Examples on the Web The nervous-immune connection is intriguing in light of recent research suggesting that chemical cross talk between gut macrophages and nerve fibers can control peristalsis, the process that moves food through the digestive tract. Esther Landhuis, Scientific American, "Could Newly Found “Peacekeeping” Cells Be a Weapon against COVID-19?," 27 Mar. 2020 But the signals are faint, and small movements of the fine nerve fiber relative to the recording electrode can change or obscure the nerve’s subtle message. Kelly Servick, Science | AAAS, "Minimuscles let amputees control a robot hand with their minds," 4 Mar. 2020 The ends of the auditory nerve look like green jellyfish; the sheaths around the nerve fibers licorice red. Popular Science, "Hidden hearing loss is hitting people of all ages. Neuroscientists are still debating why.," 21 Jan. 2020 These drift across the synapses to nerve fibers, sparking more current. Popular Science, "Hidden hearing loss is hitting people of all ages. Neuroscientists are still debating why.," 21 Jan. 2020 Stick with us: The vagus is the largest and longest of the 12 nerve fibers emanating from your brain. The Editors, Outside Online, "How to Chill Out and Relax Already," 1 Jan. 2020 Metachromatic leukodystrophy is the result of a genetic mutation, and leads to a breakdown of the protective covering around nerve cells and nerve fibers, known as myelin. Lisa Schencker,, "No. No. No. No. No. An insurer rejected out-of-state treatment for a 4-year-old’s rare disease five times. It relented, but why is getting an OK so hard?," 15 Nov. 2019 His doctors finally diagnosed him with nutritional optic neuropathy, which is dysfunction of the optic nerve when nutrients essential for nerve fiber function are in short supply. Beth Mole, Ars Technica, "“Fussy eater” goes blind after years of eating only junk food," 4 Sep. 2019 Jordt says the tear gas agent activates receptors on the peripheral sensory nerves, a sinuous network of nerve fibers found all over our body. Jennifer Leman, Popular Mechanics, "Watch This Hong Kong Protester Instantly Neutralize Tear Gas," 3 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nerve fiber.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of nerve fiber

circa 1847, in the meaning defined above

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Time Traveler for nerve fiber

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The first known use of nerve fiber was circa 1847

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Cite this Entry

“Nerve fiber.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2020.

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More Definitions for nerve fiber

nerve fiber


Kids Definition of nerve fiber

: any of the threadlike extensions (as axons or dendrites) of a nerve cell that carry nerve impulses

nerve fiber


Medical Definition of nerve fiber

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

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