Orbital Plate of Ethmoidal Labyrinth of Ethmoid BoneCheck our Apps3D Heart AnatomyXR Anatomy3D Osteology 3D OsteologyAll visual materials are sourced directly from the app 3D OsteologyLearn MoreOrbital plate of ethmoidal labyrinth is a thin bony plate that covers the middle and the posterior cells of the ethmoid bones and takes part in the formation of the medial wall of the orbit. (1)