Orbital lamina of ethmoid bone
Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters".
The orbital lamina of ethmoid bone (or lamina papyracea or orbital lamina) is a smooth, oblong,Script error: No such module "Unsubst". paper-thin[1] bone plateScript error: No such module "Unsubst". which forms the lateral wall of the labyrinth of the ethmoid bone.[1] It covers the middle and posterior ethmoidal cells, and forms a large part ofScript error: No such module "Unsubst". the medial wall of the orbit.[1]
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.Script error: No such module "Unsubst".
Its name lamina papyracea is an appropriate description, as this part of the ethmoid bone is paper-thin and fractures easily. A fracture here could cause entrapment of the medial rectus muscle.Script error: No such module "Unsubst".
Additional images
-
Orbital lamina of ethmoid bone
References
<templatestyles src="Reflist/styles.css" />
Script error: No such module "Check for unknown parameters".
Public domain This article incorporates text in the public domain from Template:Wikidatathe 20th edition of Gray's Anatomy (1918)
External links
- Anatomy photo:29:st-0201 at the SUNY Downstate Medical Center - "Orbits and Eye: Bones"
- Script error: No such module "citation/CS1".