Opening of nasolacrimal duct is situated in:: (A) Superior meatus, (B) Middle meatus, (C) Ethmoid infundibulum, (D) inferior meatus
Answer is D. Also remember other structures opening in different meatuses.Superior meatus: Posterior ethmoid cellsMiddle meatus: Frontal sinus, maxillary sinus and anterior group of sinusesEthmoid infundibulum: A part of middle meatus, maxillary and sometimes the frontal sinus opens in itInferior meatus: Nasolacrimal ductSphenoethmoid recess: Sphenoid sinus