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glossopharyngeal nerve
glossopharyngeal nerve The glossopharyngeal nerve is the ninth cranial nerve.
The glossopharyngeal nerve is the ninth cranial nerve. It has both motor and sensory functions, including signals to the stylopharyngeus muscle and parotid gland, and sensory input from the back third of the tongue, the nasopharynx, the palate, and the carotid sinus.