Middle Nasal Concha

STRUCTURE AND POSITION

Middle Nasal Concha is a curved margin of the medial side of the Ethmoid Bone’s Labyrinth.
It is directed downwards and medially from the Cribriform Plate and has a free terminal portion inside Nasal Cavity.
Each Middle Nasal Concha is a rough bony structure with small grooves superiorly. It is covered by mucous membrane of the Nasal Cavity.

FUNCTION

Middle Nasal Concha functions to trap dust particles and foreign objects and prevents them from going inside the Lungs via respiration.
It also has supply from the Olfactory Nerves through Cribriform Plate. They help in detection of smell.

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