orbital plate of ethmoid bone

or·bi·tal plate of eth·moid bone

[TA]

a thin plate of ethmoid bone forming part of the medial wall of the orbit and the lateral wall for the ethmoidal labyrinth.

Synonym(s): lamina orbitalis ossis ethmoidalis [TA], lamina papyracea, orbital lamina of ethmoid bone, orbital layer of ethmoid bone, orbital plate, paper plate, papyraceous plate