Ethmoid Bone
Synonyms
Bone, Ethmoid
Bones, Ethmoid
Cribriform Plate
Cribriform Plates
Ethmoid Bones
Horizontal Plate of Ethmoid Bone
Plate, Cribriform
Plates, Cribriform
A light and spongy (pneumatized) bone that lies between the orbital part of FRONTAL BONE and the anterior of SPHENOID BONE. Ethmoid bone separates the ORBIT from the ETHMOID SINUS. It consists of a horizontal plate, a perpendicular plate, and two lateral labyrinths.