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ENT General b373d209

Which structure prevents spread of infection form middle ear to brain ?

A

Tegmen tympani

B

Cribriform plate

C

Fundus tympani

D

Petrous apex

High-Yield Explanation

Ans. is 'a' i.e., Tegmen tympani Tegmen tympani (forming the roof of middle ear cavity) separates the tympanic cavity from middle cranial fossa.

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