The Crescent-Shaped Groove Within the Middle Nasal Concha is The

Question

The crescent-shaped groove within the middle nasal concha is the
A) sphenoethmoid recess
B) hiatus semilunaris
C) ethmoid bulla
D) nasal aperture

Accepted Answer

The hiatus semilunaris,which means half-moon shaped opening,lies within the middle nasal concha just above the middle meatus.The sphenoethmoid recess is the highest and most posterior part of the nasal cavity.The ethmoid bulla is an elevation within the ethmoid sinuses.The nasal aperture is the opening to the nose.