Inferior ganglion of vagus nerve


Inferior ganglion of vagus nerve
Nerve: Inferior ganglion of vagus nerve
Plan of upper portions of glossopharyngeal, vagus, and accessory nerves. ("Gang. nodosum" visible at center.)
Latin ganglion nodosum, ganglion inferius nervi vagi.
Gray's subject #205 911
From vagus nerve
MeSH Nodose+Ganglion

The nodose ganglion (ganglion of the trunk; inferior ganglion of vagus nerve) is cylindrical in form, of a reddish color, and 2.5 cm. in length.

Passing through it is the cranial portion of the accessory nerve, which blends with the vagus below the ganglion.

As opposed to the jugular ganglion of the vagus nerve, the inferior or nodose ganglion is larger.

It is chiefly visceral afferent in function concerning sensation of heart, larynx, lungs and alimentary tract from the pharynx to the transverse colon. These visceral afferents synapse centrally in the nucleus solitarius.

Both ganglia are traversed by parasympathetic, and perhaps some sympathetic fibres.

Preganglionic motor fibres (ganglionic branches) from the dorsal vagal nucleus and the special visceral efferents from the nucleus ambiguus, which descend to the inferior vagal ganglion form a band skirting the ganglion.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.



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