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 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 The relevant nerve fibers cross from left-to-right in the lower part of the brain. Fox News, 2 Apr. 2024 The analysis, requested by the Maine medical examiner, found degeneration in the nerve fibers allowing communication between different areas of the brain, inflammation, and small blood vessel injury, according to Dr. Ann McKee of the university's Chronic Traumatic Encephalopathy (CTE) Center. CBS News, 8 Mar. 2024 While the cause is unknown, MS attacks the central nervous system, creating lesions on the brain and spinal cord, and damaging the protective layer surrounding the nerve fibers, called myelin. Andrew Abrahams, Peoplemag, 1 Mar. 2024 By utilizing the polarization properties of light, PS-OCT can provide highly detailed information about the thickness of your nerve fiber layer, the presence of fluid or blood accumulation, and the overall health of your retina. William A. Haseltine, Forbes, 11 Feb. 2024 White matter is made of bundled nerve fibers and helps coordinate communication between different regions of the brain. Kristen Rogers, CNN, 31 Jan. 2024 Consider the signaling problem: The vagus nerve is made up of many individual nerve fibers of several different types, some transmitting signals up into the brain and some signaling down to the organs. IEEE Spectrum, 29 May 2015 The disease causes the immune system to attack myelin, the insulation around nerve fibers, prompting symptoms that can include muscle weakness, pain, and vision loss. Kenneth Miller, Discover Magazine, 11 Dec. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nerve fiber.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1847, in the meaning defined above

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

Dictionary Entries Near nerve fiber

Cite this Entry

“Nerve fiber.” Dictionary, Merriam-Webster, Accessed 22 May. 2024.

Kids Definition

nerve fiber

: 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

: any of the processes (as an axon or a dendrite) of a neuron
Last Updated: - Updated example sentences
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