Nasolacrimal duct opens into which meatus?: (A) Inferior Meatus, (B) Middle Meatus, (C) SuperiorMeatus, (D) Supreme Meatus
Answer is A. O Nasolacrimal duct opens in the inferior meatus just anterior to its highest point O It is closed by a mucosal flap called Hasner's valve MEATUS SINUS DRAINING Superior meatus Posterior ethmoid sinus Middle meatus Maxillary sinus Anterior Ethmoid sinus Frontal sinus Inferior meatus Nasolacrimal duct Sphenoethmoidal recess Sphenoid sinus