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vagus definition

va·gus (vā′gəs)

noun pl. vagi va′gi′ (-jī′)

either of the tenth pair of cranial nerves, arising in the medulla oblongata and providing parasympathetic innervation to the larynx, lungs, heart, esophagus, and most of the abdominal organs
also vagus nerve

Etymology: ModL < L, wandering: see vague

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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