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25 paź 2020 · The glossopharyngeal nerve, CN IX, is the ninth paired cranial nerve. In this article, we shall look at the anatomical course of the nerve, and the motor, sensory and parasympathetic functions of its branches.
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!
11 kwi 2019 · Glossopharyngeal nerve branches. Here is a short summary of the branches of the glossopharyngeal nerve and their functions: Tympanic: sensory innervation to the mucosa of the middle ear, turning into the lesser petrosal nerve to supply parasympathetic fibres to the parotid gland* Stylopharyngeus: motor innervation to the stylopharyngeus
Together with branches of the vagus nerve (CN X) and laryngopharyngeal nerve of the cervical sympathetic trunk, these branches participate in forming the pharyngeal nerve plexus on the posterior wall of the pharynx. This plexus eventually innervates the mucosa lining the upper part of the pharynx.
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.
The glossopharyngeal nerve (CN IX) is a mixed cranial nerve, which provides motor innervation to the stylopharyngeus muscle and the superior pharyngeal constrictor muscle. Twelve cranial nerves, their exit points, anatomical course, branches and topography.
7 lis 2022 · 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.
