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 ?
As we grow older, the Eustacian tube becomes larger and more angled, making it progressively more difficult for infectious viruses and bacteria to reach the middle ear.
With Eustacian tube dysfunction there occurs an inability of the middle ear to equalize pressure with the atmosphere, resulting in distortion of the mucosa of the middle ear and tympanic membrane.
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.
However, most ear problems in youngsters are caused by infections and/or fluid in the middle ear, or by eustacian tube dysfunction.