nerve cell

noun

1
: a grayish or reddish granular cell with specialized processes that is the fundamental functional unit of nervous tissue transmitting and receiving nerve impulses : neuron
2

Examples of nerve cell in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Blood tests revealed that these same participants also had higher levels of neurofilament light (NfL), a protein released into the blood when nerve cells are damaged. Lydia Patrick, MSNBC Newsweek, 30 Oct. 2025 Your Brain Health May Get a Boost Sulforaphane may protect nerve cells against brain disorders like Alzheimer's disease and Parkinson's disease. Anthea Levi, Health, 29 Oct. 2025 Some people worry that flu shots increase the risk of Guillain-Barre syndrome, a serious but rare disorder in which the immune system attacks nerve cells, causing muscle weakness and sometimes paralysis. Liz Szabo, NBC news, 25 Oct. 2025 Dane disclosed in April that he had been diagnosed with amyotrophic lateral sclerosis, a neurodegenerative disease that affects nerve cells in the brain and spinal cord and causes loss of muscle control. Rick Porter, HollywoodReporter, 20 Oct. 2025 See All Example Sentences for nerve cell

Word History

First Known Use

1840, in the meaning defined at sense 1

Time Traveler
The first known use of nerve cell was in 1840

Browse Nearby Words

Cite this Entry

“Nerve cell.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nerve%20cell. Accessed 6 Nov. 2025.

Kids Definition

nerve cell

noun
: neuron
also : cell body

Medical Definition

nerve cell

noun
1
: a grayish or reddish granular cell with specialized processes that is the fundamental functional unit of nervous tissue : neuron
2

More from Merriam-Webster on nerve cell

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!