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.
Entry Term(s)
Cribriform Plate
Horizontal Plate of Ethmoid Bone
NLM Classification #
WE 705
Online Note
use ETHMOID BONE to search CRIBRIFORM PLATE 1966-78
History Note
CRIBRIFORM PLATE was see under ETHMOID BONE 1963-78
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.