Pharyngeal branch of vagus nerve
- Pharyngeal branch of vagus nerve
Infobox Nerve
Name = Pharyngeal branch of vagus nerve
Latin = ramus pharyngeus nervi vagi
GraySubject = 205
GrayPage = 911
Caption = Plan of upper portions of glossopharyngeal, vagus, and accessory nerves. (Pharyngeal visible at center right.)
Caption2 =
Innervates = pharynx
BranchFrom = vagus nerve
BranchTo = pharyngeal plexus
MeshName =
MeshNumber =
DorlandsPre = r_02
DorlandsSuf = 12691614
The pharyngeal branch of the vagus nerve, the principal motor nerve of the pharynx, arises from the upper part of the ganglion nodosum, and consists principally of filaments from the cranial portion of the accessory nerve.
It passes across the internal carotid artery to the upper border of the Constrictor pharyngis medius, where it divides into numerous filaments, which join with branches from the glossopharyngeal, sympathetic, and external laryngeal to form the pharyngeal plexus.
From the plexus, branches are distributed to the muscles and mucous membrane of the pharynx (except the stylopharyngeus) and the muscles of the soft palate, except the Tensor veli palatini. A minute filament descends and joins the hypoglossal nerve as it winds around the occipital artery.
ee also
* Pharyngeal nerve
External links
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* (NormanAnatomyFig|X)
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