The maxillary sinus opens into middle meatus at the level of:

The maxillary sinus opens into middle meatus at the level of:
a) Hiatus semilunaris
b) Bulla ethmoidalis
c) Infundibulum
d) None of the above
Correct Answer - A
The maxillary sinus is the largest of the paranasal sinuses and is located in the maxilla,
lateral to the nasal cavity and inferior to the orbit.
The maxillary sinus opens into the posterior aspect of the hiatus semilunaris in the middle
meatus.
The infraorbital nerve (CN V-2) primarily innervates the maxillary sinu