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Anatomy General d428f575

All open into middle meatus except ?

A
Frontal sinus
B
Sphenoid sinus
C
Maxillary sinus
D
Ethmoidal sinus
High-Yield Explanation
Ans. is 'b' i.e., Sphenoid sinus Pa of lateral nasal wallOpeningsInferiorNasolacrimal ductMiddleFrontal sinus, Maxillary sinus, Anterior ethmoidal sinusSuperiorPosterior ethmoidal sinusSphenoethmoidal recessSphenoid sinus

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