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posterior nucleus of vagus nerve

 

Definition: the visceral motor nucleus located in the vagal trigone (ala cinerea) of the floor of the fourth ventricle. It gives rise to the parasympathetic fibers of the vagus nerve innervating the heart muscle and the smooth musculature and glands of the respiratory and intestinal tracts.

Synonym(s): nucleus posterior nervi vagiTA, nucleus dorsalis nervi vagi, dorsal motor nucleus of vagus, dorsal nucleus of vagus, dorsal vagal nucleus, nucleus alae cinereae

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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