Superior laryngeal nerve
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.
Superior laryngeal nerve | |
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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 |
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.
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