tympanic nerve


A nerve from the inferior ganglion of the glossopharyngeal nerve, passing to the tympanic cavity and forming the tympanic plexus that supplies the mucous membrane of the tympanic cavity, the mastoid cells, and the eustachian tube.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.