Eustacian tube

Eustacian tube

A tube connecting the middle ear with the back of the nose, allowing air pressure to equalize within the ear whenever it opens, such as with yawning.
Mentioned in: Adenoid Hyperplasia
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References in periodicals archive ?
A WHEN you swallow, you create negative pressure in your mouth and the eardrum is sucked in as the ear is connected to the throat by the eustacian tube.
You are right to be taking decongestant tablets as these keep a little channel called the eustacian tube open.