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
FromVagus nerve
InnervatesLarynx
Identifiers
Latinnervus laryngeus superior
TA98A14.2.01.160
TA26339
FMA6239
Anatomical terms of neuroanatomy

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

The superior laryngeal nerve produces 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.