nasal concha of ethmoid bone superior nasal concha http://upload.wikimedia.org/wikipedia/commons/e/e6/Gray151.png UBERON:0005920 superior nasal turbinate superior concha FMA:57458 superior turbinate Wikipedia:Superior_nasal_concha SCTID:361934004 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.