The glossopharyngeal nerve is among a few nerves that contain motor, sensory, and parasympathetic fibers. It participates in multiple functions, and injuries or diseases affecting it can adversely ...

Three nerves carry taste signals to the brain stem: the chorda tympani nerve (from the front of the tongue), the glossopharyngeal nerve (from the back of the tongue) and the vagus nerve (from the ...

Cranial Nerve IX, the glossopharyngeal nerve, innervates the parotid glands, two glands that sit in front of your ears and produce 10 percent of your saliva; and during eating, up to 25 percent.