GENERAL HISTOLOGY

Detailed explanation-1: -Glossopharyngeal nerve lesions produce difficulty swallowing; impairment of taste over the posterior one-third of the tongue and palate; impaired sensation over the posterior one-third of the tongue, palate, and pharynx; an absent gag reflex; and dysfunction of the parotid gland.

Detailed explanation-2: -It connects with the taste buds on the rear third of your tongue and down into the throat, and it also provides that area with general sensory information about things like touch, temperature, and pain.

Detailed explanation-3: -Cranial Nerves and Muscles Involved in Swallowing The following cranial nerves are involved in swallowing: Trigeminal (cranial nerve V) Facial (cranial nerve VII) Glossopharyngeal (cranial nerve IX)