The back part of the medial surface of the labyrinth of ethmoid is subdivided by a narrow oblique fissure, the superior meatus of the nose, bounded above by a thin, curved plate, the superior nasal concha.
The bone found in superior nasal concha is part of the ethmoid bone.
This article was originally based on an entry from a public domain edition ofGray's Anatomy. As such, some of the information contained within it may be outdated.