Fig. 14: Glossopharyngeal nerve (GSPn). View of the pharynx from behinh. On the right, the internal carotid artery, the internal jugular vein and their relationship with the GSPn and the vagus nerve are shown. On the left, the artery, the vein and the vagus nerve have been removed and the relationship of the GSPn with the stylopharyngeus muscle is represented. References: Dept. Of Radiology, José Maria Morales Meseguer, Hospital General Universitario - Murcia/ES
The (/ˈveɪɡəs/ vay), also called the pneumogastric nerve, is known as the tenth cranial nerve or simply CNX. The cranial nerves exist as pairs and there are twelve such pairs, however these are normally referred to in the singular. Course and distribution of the glossopharyngeal, vagus, and accessory nerves.
Glossopharyngeal neuralgia affects the glossopharyngeal nerve that supplies the tongue, throat and areas around it. Sudden, severe pain in the back of the throat region is felt, which may last for few seconds to minutes, are seen in glossopharyngeal neuralgia. With proper diagnosis, appropriate treatment can be planned, or surgical treatment for glossopharyngeal neuralgia can be considered.
The 9th nerve, the glossopharyngeal nerve, has both motor and sensory functions. It is involved with swallowing, salivation, gagging, control of blood pressure, and respiration. It is also involved with the sensation from the posterior 1/3 of the tongue.