superior laryngeal nerve

n.
  1. A branch of the vagus nerve at the inferior ganglion. At the thyroid cartilage, it divides into two branches, the internal, which supplies the mucous membrane of the larynx above the vocal cords; and the external, which supplies the inferior pharyngeal constrictor and the cricothyroid muscles.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.