Cranial Nerve IX - Glossopharyngeal Nerve

Cranial nerve IX, the glossopharyngeal nerve, is associated with the tongue and pharynx. These glossopharyngeal nerves are mixed nerves but primarily sensory. The fibers carry impulses from the lining of the pharynx, tonsils, and back one-third of the tongue to the brain. Fibers in the motor components aid in swallowing. Other branches are part of the involuntary nervous system and conduct impulses that are used in regulating the blood pressure, while others lead to the salivary gland in...

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    Full Cranial Nerve IX - Glossopharyngeal Nerve Description

    [Continued from above] . . . front of the ear and can stimulate it to secrete saliva.