Neuroanatomy | 合法醫療器材資訊網

The glossopharyngeal nerve is the 9th cranial nerve (CN IX). It is one of the four cranial nerves that has sensory, motor, and parasympathetic functions. It originates from the medulla oblongata and terminates in the pharynx. This nerve is most clinically relevant in the setting of glossopharyngeal neuralgia, but an injury to it can also be a complication of carotid endarterectomy. See Ilustration. The Glossopharyngeal Nerve.

The glossopharyngeal nerve carries sensory, efferent motor, and parasympathetic fibers. Its branches consist of tympanic, tonsillar, stylopharyngeal, carotid sinus nerve, branches to the tongue, lingual branches, and a communicating branch to cranial nerve X (vagus nerve). See Image. The Glossopharyngeal Nerve.

Special visceral efferent fibers (bra...