Superior laryngeal nerve

Called with animals cranial laryngeal nerve ( "front laryngeal nerve" ) - - The superior laryngeal nerve ( "upper laryngeal nerve" ) is a branch of the tenth cranial nerve, the vagus nerve. He goes on from the inferior ganglion of the vagus and extends to the larynx. Developmentally, he is the real nerve of the fourth branchial arch.

The outer branch ( ramus externus) of the superior laryngeal nerve is motor powered and a glottic Enver Passenger ( musculus cricothyroideus ). His inner branch ( ramus internus ) runs through the thyrohyoid membrane and innervates the mucous membrane of the larynx above the vocal folds sensitive. He also leads gustatory fibers of receptors of the epiglottis.

The superior laryngeal nerve directs the sensitive information that ensure the reflexive closure of the larynx in contact with liquids and for the cough reflex.

A neuralgia of the superior laryngeal nerve leads to feeding pain in the upper area of ​​the larynx.

• Larynx
• Vagus
• Cranial nerve