Exempel på glossopharyngeal

• The lesser petrosal nerve is a continuation of the glossopharyngeal nerve after it exits the skull via the jugular foramen and innervates the tympanic plexus.

• Glossopharyngeal neuralgia, a rare disorder, usually begins after age 40 and occurs more often in men.

• Injury to the glossopharyngeal nerve can result in dysgeusia.

• The third pharyngeal arch is innervated by glossopharyngeal nerve.

• However, glossopharyngeal neuralgia sometimes results from an abnormally positioned artery that compresses the glossopharyngeal nerve near where it exits the brain stem.

• The lingual nerve passes taste for the front two-thirds of the tongue and the glossopharyngeal nerve passes taste for the back third of the tongue.

• The glossopharyngeal nerve has five distinct general functions: 1.

• The primary neural supply is from both the vagus and glossopharyngeal nerves.

• These cells are shown to synapse upon the glossopharyngeal nerves to send their signals to the brain.

• Within the jugular foramen, there are two glossopharyngeal ganglia that contain nerve cell bodies that mediate general, visceral, and special sensation.

• At the base of the skull the glossopharyngeal, vagus, accessory, and hypoglossal nerves lie between the artery and the internal jugular vein.

• The facial nerve receives taste from the anterior two-thirds of the tongue; the glossopharyngeal from the posterior third.

• The glossopharyngeal nerve as noted above is a mixed nerve consisting of both sensory and motor nerve fibers.

• These peripheral processes have cell their cell body in either the superior or inferior glossopharyngeal ganglion.

• There are three cranial nerves that innervate the tongue; the vagus nerve, glossopharyngeal nerve, and the facial nerve.