MICROANATOMY

Detailed explanation-1: -The glossopharyngeal nerve is the ninth set of 12 cranial nerves (CN IX). It provides motor, parasympathetic and sensory information to your mouth and throat. Among its many functions, the nerve helps raise part of your throat, enabling swallowing.

Detailed explanation-2: -The glossopharyngeal nerve enervates muscles involved in swallowing and taste.

Detailed explanation-3: -Special visceral efferent fibers (branchial motor) are the main motor fibers of the glossopharyngeal nerve and supply motor innervation to the stylopharyngeus muscle. This muscle is responsible for elevating the larynx and pharynx, especially during speaking and swallowing.

Detailed explanation-4: -Vagus nerve This nerve is responsible for the muscles involved in swallowing, voice and resonance.

Detailed explanation-5: -Trigeminal (cranial nerve V) Facial (cranial nerve VII) Glossopharyngeal (cranial nerve IX) Vagus (cranial nerve X) Hypoglossal nerve (cranial nerve XII) 22-Feb-2021