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tympanic plexus

A plexus on the labyrinth wall of the tympanic cavity. Origin: 1) tympanic nerve 2) anastomotic branch of the facial nerve 3) sympathetic branches from the internal carotid plexus Innervation: 1) mucosa of the middle ear, mastoid cells & auditory tube (eustachian tube) 2) lesser superficial petrosal nerve to the otic ganglion

Related

facial nerve (CN VII) internal carotid (sympathetic) plexus lesser petrosal nerve otic ganglion tympanic nerve (Andersh nerve, Jacobson nerve)

General

plexus

References

  1. Grant's Atlas of Anatomy, 10th edition, AMR Agur & MJ Lee (eds), Lippincott Williams & Wilkins, Philadelphia, 1999
  2. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999