Superior laryngeal nerve

Superior laryngeal nerve
Plan of upper portions of glossopharyngeal nerve, vagus nerve, and accessory nerve. ("Laryngeal" labeled at lower right.)
Course and distribution of the glossopharyngeal, vagus, and accessory nerves. (Branches visible in upper right.)
Details
From	Vagus nerve
Innervates	Larynx
Identifiers
Latin	nervus laryngeus superior
TA98	A14.2.01.160
TA2	6339
FMA	6239
Anatomical terms of neuroanatomy [edit on Wikidata]

The superior laryngeal nerve is a branch of the vagus nerve. It arises from the middle of the inferior ganglion of vagus nerve and additionally also receives a sympathetic branch from the superior cervical ganglion.

The superior laryngeal nerve produces of two branches: the internal laryngeal nerve (its sensory branch) which supplies sensory fibers to the laryngeal mucosa, and the external laryngeal nerve (its motor branch) which innervates the cricothyroid muscle.