The sphenoethmoidal recess has opening of -
Maxillary sinus
Bullaethmoidalis
Ethmoid sinus
Sphenoid sinus
Ans. is 'd' i.e., Sphenoid sinus Part of lateral nasal wallOpeningsInferiorNasolacrimal ductMiddleFrontal sinus, Maxillary sinus, Anterior ethmoidal sinusSuperiorPosterior ethmoidal sinusSphenoethmoidal recessSphenoid sinus
Anatomy and Physiology of Nose and PNS