OverviewThe eustachian tube is the tube that runs between the middle ear and pharynx and regulates the ear pressure around the ear drum.
Review Date 8/31/2016
Updated by: Neil K. Kaneshiro, MD, MHA, Clinical Assistant Professor of Pediatrics, University of Washington School of Medicine, Seattle WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.