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Question

Scala vestibuli is connected with

A
Fenestra rotundus
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B
Fenestra ovalis
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C
Scala media
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D
Eustachian tube
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Solution

The correct option is A Fenestra ovalis
Fenestra ovalis is known as oval window. It is a small and oval membrane that covers the opening of tympanic cavity of middle ear into vestibule of inner ear. It is connected to base of stapes through which it transmits vibrations to cochlea when ear ossicles vibrate. Oval window opens to scala vestibuli which is one of the fluid filled sac in inner ear.
So, the correct answer is 'Fenestra ovalis'.

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