Pharyngeal plexus of vagus nerve
|Nerve: Pharyngeal plexus of vagus nerve|
|Muscles of the pharynx, viewed from behind, together with the associated vessels and nerves. (Pharyngeal plexus visible but not labeled.)|
|Latin||plexus pharyngeus nervi vagi|
|Gray's||subject #204 909|
Although the Terminologia Anatomica name of the plexus has "vagus nerve" in the title, other nerves make contributions to the plexus.
It has the following sources:
- CN IX - pharyngeal branches of glossopharyngeal nerve - sensory
- CN X - pharyngeal branch of vagus nerve - motor
- superior cervical ganglion sympathetic fibers - vasomotor
The pharyngeal plexus, with fibers from CN IX, CN X, and cranial part of CN XI, innervates all the muscles of the pharynx (except stylopharyngeus, which is innervated directly by a branch of CN IX).