Any of three thin scroll-like bones that form the sides of the nasal cavity. The superior and middle nasal conchae are part of the ethmoid bone; the inferior nasal conchae are a separate pair of bones of the face.
One of the three scroll-like bones that project medially from the lateral wall of the nasal cavity; a turbinate bone. The superior and middle conchae are processes of the lateral mass of the ethmoid bone; the inferior concha is a facial bone. Each overlies a meatus.
The nasal fossa’s lateral wall possesses a trio of delicate bony laminae, positioned on either side, which may or may not be accompanied by a mucous membrane covering.