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The Eustachian tube is a passageway which connects middle ear to nasopharynx (throat).
It's function is to equalize pressure on both sides of the tympanic membrane, which is necessary for proper hearing.

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7y ago
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9y ago

The Eustachian tubes run from the middle ear to the throats of tetrapods (vertebrates that live on land). They are the modified from the first set of pharyngeal pouches during embryonic development.

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13y ago

in the ear

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Q: What is the eustachian tube and where is it located at?
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