Eustachian tube orifice

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Eustachian Tube Orifice [swallowing]
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Eustachian Tube Orifice [swallowing]

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The opening and closing of the eustachian tube orifice can be observed as the patient swallows or performs a Valsalva manoeuvre.

Eustachian Tube Orifice [left]
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Eustachian Tube Orifice [left]

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The torus tubarius [eustachian tube orifice] is formed by the medial end of the eustachian tube which projects into the lateral wall of the nasopharynx and consequently not be seen by means of conventional...

Subtotal Perforation Demonstrating Eustachian Tube Orifice
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Subtotal Perforation Demonstrating Eustachian...

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There is a subtotal perforation of this right tympanic membrane. Of note one can see the entrance to the eustachian tube in the 3 o'clock position.

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