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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Breathing in and sighing out slowly for longer than your in breath with an open mouth can activate the vagus nerve, a crucial component of the parasympathetic nervous system. Paul McClure 24, New Atlas, 24 May 2025 Because the vagus nerve runs past the vocal cords, there’s some thought that humming could stimulate the vagus nerve (and therefore parasympathetic nervous system), which might offer calming effects, says Gordon-Elliott. Caroline C. Boyle, USA Today, 18 May 2025 One of the key players in this connection is the vagus nerve, which runs from your brain stem to your gut and influences functions as varied as heart rate, digestion, mood and emotional regulation. Dana Santas, CNN Money, 14 May 2025 The process stimulates the vagus nerve, which runs from the large intestine to the brain. Rustin Dodd, New York Times, 1 May 2025 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

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Cite this Entry

“Vagus nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vagus%20nerve. Accessed 28 May. 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

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