________ Glossopharyngeal nerve

Name: ________ Glossopharyngeal nerve
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The glossopharyngeal nerve (CN IX)is the nerve of the third pharyngeal arch;it supplies the stylopharyngeus muscle derived from the muscle element in this arch.Because the dorsal part of the root of the tongue is derived from the third arch,its sensory innervation is partly supplied by the glossopharyngeal nerve.

________ Glossopharyngeal Nerve