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Definition Return to top
Eustachian tube patency refers to the degree to which the eustachian tube is open. The eustachian tube runs between the middle ear and pharynx (throat) and regulates the pressure around the ear drum.
Update Date: 10/12/2003 Updated by: James L. Demetroulakos, M.D., F.A.C.S., Department of Otolaryngology, North Shore Medical Center, Salem, MA. Clinical Instructor in Otology and Laryngology, Harvard Medical School. Review provided by VeriMed Healthcare Network.
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Page last updated: 28 October 2004 |