Stephen J. Schueler, M.D.

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Vestibular Neuronitis Anatomy

To better understand vestibular neuronitis, it helps to understand the anatomy of the inner ear.

The inner ear contains the semi-circular canals, which also contain fluid and hair cells. The hair cells in the semi-circular canals sense the position of the body and send this information to the brain. This structure allows the body to maintain balance and equilibrium.

Anatomy examples:

  • Pinna: the cartilage and skin of the external ear
  • Ear canal: passageway that leads to the eardrum
  • Tympanic membrane: the eardrum
  • Ossicles: three tiny bones that vibrate when sound waves strike the eardrum
  • Inner ear, or labyrinth: includes the cochlea and semi-circular canals
  • Cochlea: contains fluid and hair cells
  • Semi-circular canals: contains fluid and hair cells

Last Updated: Nov 4, 2008 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Vestibular Neuronitis References
  1. Gacek RR. The pathology of facial and vestibular neuronitis. Am J Otolaryngol. 1999 Jul-Aug;20(4):202-10. [10442771]
  2. Halmagyi GM, Aw ST, Karlberg M, Curthoys IS, Todd MJ. Inferior vestibular neuritis. Ann N Y Acad Sci. 2002 Apr;956:306-13. [11960814]
  3. Lemajic-Komazec S, Komazec Z. Initial evaluation of vertigo. Med Pregl. 2006 Nov-Dec;59(11-12):585-90. [17633903]
  4. Shupak A, Nachum Z, Stern Y, Tal D, Gil A, Gordon CR. Vestibular neuronitis in pilots: follow-up results and implications for flight safety. Laryngoscope. 2003 Feb;113(2):316-21. [12567089]
  5. Strupp M, Zingler VC, Arbusow V, Niklas D, Maag KP, Dieterich M, Bense S, Theil D, Jahn K, Brandt T. Methylprednisolone, valacyclovir, or the combination for vestibular neuritis. N Engl J Med. 2004 Jul 22;351(4):354-61. [15269315]
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