Medical

dorsal nucleus of vagus nerve

Also found in: Wikipedia.

dor·sal nu·cle·us of va·gus nerve

(dōr'săl nū'klē-ŭs vā'gŭs nĕrv)

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.

All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.