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pharyngeal plexus of vagus nerve
The pharyngeal plexus is a network of nerve fibers innervating most of the palate and pharynx. (Larynx, which is innervated by superior and recurrent laryngeal nerve from vagus nerve (CN X), is not included)
It is located on the surface of the middle pharyngeal constrictor muscle.
==Sources==
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
Because the cranial part of accessory nerve (CN XI) leaves the jugular foramen as joining the CN X, it is sometimes considered part of the plexus as well.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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