vagus nerve

noun

va·​gus nerve ˈvā-gəs- How to pronounce vagus nerve (audio)
: either of the 10th pair of cranial nerves that arise from the medulla oblongata and supply chiefly the viscera especially with autonomic sensory and motor fibers

called also vagus

Examples of vagus nerve in a Sentence

Recent Examples on the Web
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The electrical impulses activate a reflex that causes the brain to produce another set of signals that travels back down the vagus nerve. Jon Hamilton, NPR, 3 Feb. 2025 These receptors then signal the brain via the vagus nerve, creating a sensation of fullness. Angelica Stabile, Fox News, 27 Jan. 2025 Typically, a surgeon implants the device, roughly the size of a small stopwatch, in the upper left chest and a wire is run under the skin and attached to the vagus nerve. Lauryn Higgins, Flow Space, 16 Dec. 2024 This form of training helps regulate the vagus nerve (which supports the rest-and-digest bodily functions). Nick Blackmer, Verywell Health, 22 Oct. 2024 See all Example Sentences for vagus nerve 

Word History

Etymology

borrowed from New Latin vagus nervus, literally, "wandering nerve,"; so called from its multiplicity of connecting points in the neck, thorax, and abdomen — more at vague

First Known Use

1856, in the meaning defined above

Time Traveler
The first known use of vagus nerve was in 1856

Dictionary Entries Near vagus nerve

Cite this Entry

“Vagus nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vagus%20nerve. Accessed 8 Feb. 2025.

Medical Definition

vagus nerve

noun
: either of the tenth pair of cranial nerves that arise from the medulla and supply chiefly the viscera especially with autonomic sensory and motor fibers

called also pneumogastric nerve, tenth cranial nerve, vagus

More from Merriam-Webster on vagus nerve

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