TUBAL AIR CELL Meaning and
Definition
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A tubal air cell refers to a specific anatomical structure found within the middle ear. It is a small cavity located near the opening of the Eustachian tube. The Eustachian tube connects the middle ear to the nasopharynx, which is the upper part of the throat that lies behind the nasal cavity. The tubal air cell, also known as the Eustachian recess, is lined with a mucous membrane similar to that found in the rest of the middle ear.
The primary function of the tubal air cell is to equalize the air pressure between the middle ear and the external environment. It achieves this by allowing fresh air to enter and stale air to exit the middle ear space when the Eustachian tube opens. This process helps maintain equilibrium and prevent pressure imbalances that can lead to discomfort, pain, or potential damage to the delicate structures of the middle ear.
In addition to its role in air pressure regulation, the tubal air cell can also potentially affect hearing if it becomes obstructed or inflamed. This can occur due to infections, allergies, colds, or other conditions that cause swelling or blockage of the Eustachian tube. In such cases, individuals may experience symptoms like ear pain, muffled hearing, or a sense of fullness in the ears.
In summary, the tubal air cell is a small cavity located near the opening of the Eustachian tube in the middle ear. Its main function is to equalize air pressure and maintain the equilibrium within the ear.
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Cellula pneumatica tubaria.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for TUBAL AIR CELL
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- tu bal air cell
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- tuba l air cell
- tubal a ir cell
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- tubal air c ell
- tubal air ce ll
- tubal air cel l
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