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3 lis 2023 · This article covers the anatomy of the glossopharyngeal nerve (CN IX), focusing on its course, branches and its function. Learn all about it now at Kenhub!
General sensory information from the upper pharynx and posterior one-third of the tongue travel via the pharyngeal branches of CN IX. These peripheral processes have their cell body in either the superior or inferior glossopharyngeal ganglion.
7 lis 2022 · Structure and Function. 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.
11 kwi 2019 · Cranial nerve IX is the glossopharyngeal nerve, important for parasympathetic, motor and sensory innervation of the tongue, pharynx and larynx. Here, we break down the different anatomical structures contributing to the glossopharyngeal nerve and discuss its clinical relevance.
23 wrz 2023 · The glossopharyngeal nerve, also known as the ninth cranial nerve (CN IX), is a mixed nerve that carries both sensory and motor functions. It is primarily involved in taste sensation, sensation of the upper throat and pharynx, and motor control over the stylopharyngeus muscle and some of the muscles involved in swallowing.
The CN IX forms two enlargements in the area of the jugular foramen: the superior ganglion in the jugular foramen and the inferior ganglion of the glossopharyngeal nerve below the jugular foramen at the level of petrosal fossula.
