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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 terminal branches.
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.
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 · 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.
Pharyngeal branches (rr. pharyngei) provide sensory innervation to the mucous membrane of the pharynx, tonsils, and soft palate. These branches create the anastomosis with the branches of the vagus nerve as well as with the branches of the sympathetic trunk to form the pharyngeal plexus.
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. The Glossopharyngeal Nerve.
The branch to the stylopharyngeus muscle is a small motor branch of the glossopharyngeal nerve supplying the stylopharyngeus muscle. Pharyngeal branches. The pharyngeal branches of the glossopharyngeal nerve are 2 to 3 side branches of the CN IX that mainly carry sensory fibers.
