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vagus

[ vey-guhs ]

noun

, plural va·gi [vey, -jahy, -gahy].


vagus

/ ˈveɪɡəs /

noun

  1. the tenth cranial nerve, which supplies the heart, lungs, and viscera
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of vagus1

1830–40; < Latin: wandering
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Word History and Origins

Origin of vagus1

C19: from Latin vagus wandering
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Example Sentences

For animals where the vagus nerve was cut, microbiome-mediated effects on their behavior disappeared.

From Time

These neurotransmitters might interact with the nerve endings of the vagus nerve—which is responsible for involuntary movements such as breathing and digestion, and connects the brain to most of the body’s organs, including the gut.

From Time

As activity in the vagus—also known as vagal tone—increases, a person’s heart rate and respiration slow.

A vagus nerve stimulator, for example, uses a permanent pacemaker-like generator to send gentle jolts through a flexible wire to a section of nerve in the neck.

In 1871, Neftel relieved a case of hay asthma by galvanizing the vagus; but recent books know nothing of it.

Thus the study of their development strongly supports Gegenbaur's view of the nature of the vagus and glosso-pharyngeal, viz.

There is no sign that these are otherwise than perfectly normal branches of the vagus.

The outgrowth of the vagus and glosso-pharyngeal nerves is not continuous with that of the seventh nerve.

It is of importance as shewing the similarity of the branches of the vagus to the dorsal roots of the spinal nerves.

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vaguelyvagus nerve