Glossopharyngeal Nerve

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glossopharyngeal nerve

[¦gläs·ō·fə′rin·jē·əl ‚nərv]
(neuroscience)
The ninth cranial nerve in vertebrates; a paired mixed nerve that supplies autonomic innervation to the parotid gland and contains sensory fibers from the posterior one-third of the tongue and the anterior pharynx.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Glossopharyngeal Nerve

 

the ninth pair of cranial nerves. It consists of sensory, motor, and secretory fibers. The nuclei of the nerve are located in the medulla oblongata. The common trunk of the nerve emerges from the cranial cavity through the jugular foramen together with the vagus and accessory nerves and internal jugular vein.

The glossopharyngeal nerve supplies the mucous membrane of the radix linguae, pharynx, soft palate, eustachian tube, and tympanic cavity with sensory fibers. The taste fibers that innervate the posterior third of the tongue enter the peripheral portion of the taste receptors. The motor and secretory fibers innervate some pharyngeal muscles and the parotid gland, respectively. One of the sensory branches of the glossopharyngeal nerve also carries impulses from the carotid sinus, thereby participating in the regulation of blood circulation.

Injury to the glossopharyngeal nerve impairs swallowing and taste. In some cases, compression of the nerve causes neuralgia, manifested chiefly by pain in the regions innervated by it.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The central projections of the trigeminal, facial, glossopharyngeal and vagus nerves: an autoradiographic study in the rat.
Group V--Direct laryngoscopic intubation after 4% lignocaine spray and glossopharyngeal nerve block (DL-GNB+LS)
The aim of this report is not to describe a new clinical condition, but to show a rare, exemplary case of glossopharyngeal neuralgia in which a step-by-step diagnostic workup allowed us to make a definitive diagnosis.
In conclusion, the differential diagnosis of glossopharyngeal neuralgia is broad and should include Eagle syndrome.
The Neuralgia Treatment market is driven by the occurrence of common neuralgias such as trigeminal, postherpetic, glossopharyngeal, and occipital neuralgia.
Other known entities for orofacial pain are burning mouth syndrome, glossopharyngeal neuralgia, painful post-traumatic trigeminal neuropathy, and neurovascular orofacial pain.
(41) Histologic correlation of perineural invasion to a named nerve (facial nerve, glossopharyngeal nerve, tympanic nerve, and great superficial and deep petrosal nerves) requires specific orientation and documentation in the gross specimen and submitted block protocol.
Rhabdomyolysis associated to glossopharyngeal edema: A rare side effect of Diclofenac.
It then gives branches over the preauricular and temporal areas.[46] The parasympathetic chain to parotid consists of the preganglionic fibers that originate in the inferior salivatory nucleus and travels with the glossopharyngeal nerve, tympanic nerve, and lesser petrosal nerve to the otic ganglion.
Cervical myofacial pain syndrome, migraine, trigeminal neuralgia, nasopharyngeal lesions, tonsillitis, otitis, neck pain, psychosomatic diseases, nervus intermedius neuralgia, atherosclerosis, dental pains, glossopharyngeal neuralgia and temporomandibular joint disorders should be considered in differential diagnosis (1,11,20).
Third arch overgrows the second so the root is supplied by glossopharyngeal nerve.
Microvascular decompression for treatment of trigeminal neuralgia, hemifacial spasm and glossopharyngeal neuralgia: three surgical approach variations: technical note.