<prompt> The sphenoethmoidal recess has opening of -Maxillary sinusBullaethmoidalisEthmoid sinusSphenoid sinus  <response>: Ans. is d i.e., Sphenoid sinus Part of lateral nasal wallOpeningsInferiorNasolacrimal ductMiddleFrontal sinus, Maxillary sinus, Anterior ethmoidal sinusSuperiorPosterior ethmoidal sinusSphenoethmoidal recessSphenoid sinus 