The sphenoethmoidal recess has opening of -: (A) Maxillary sinus, (B) Bullaethmoidalis, (C) Ethmoid sinus, (D) Sphenoid sinus
Answer is D. Ans. is 'd' i.e., Sphenoid sinus Part of lateral nasal wallOpeningsInferiorNasolacrimal ductMiddleFrontal sinus, Maxillary sinus, Anterior ethmoidal sinusSuperiorPosterior ethmoidal sinusSphenoethmoidal recessSphenoid sinus