dictionary help| Jacobson's plexus --> tympanic plexus | medical dictionary |
A plexus on the promontory of the labyrinthine wall of the tympanic cavity, formed by the tympanic nerve, an anastomotic branch of the facial, and sympathetic branches from the internal carotid plexus; it supplies the mucosa of the middle ear, mastoid cells, and auditory (eustachian) tube, and gives off the lesser superficial petrosal nerve to the otic ganglion.
Synonyms: plexus tympanicus, Jacobson's plexus.
(05 Mar 2000)
tympanic part of temporal bone, tympanic plate of temporal bone < Prev | Next > tympanic promontory, tympanic ring, tympanic sinus
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