Orbital lamina of ethmoid bone

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Orbital lamina of ethmoid bone
Ethmoid bone from the right side. (Lamina papyracea visible at center left.)
Orbital bones.png
The seven bones which articulate to form the orbit. (Ethmoid is brown.)
Latin lamina orbitalis ossis ethmoidalis, os planum
Gray's subject #36 155
Dorlands/Elsevier l_02/12476524

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]


The lateral surface of the labyrinth of the ethmoid bone is formed of a thin, smooth, oblong plate, the lamina papyracea (or orbital lamina), which covers in the middle and posterior ethmoidal cells and forms a large part of the medial wall of the orbit.

It articulates above with the orbital plate of the frontal bone, below with the maxilla and the orbital process of palatine bone, in front with the lacrimal, and behind with the sphenoid.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.