The ethmoid bone has four main parts ... of the ethmoidal labyrinths are referred to as the lamina papyracea or orbital lamina. The lamina papyracea makes up the majority of the inside wall ...

Naso-orbital-ethmoid (NOE ... maxillary frontal processes, ethmoid bone, lamina papyracea, lacrimal and sphenoid bones make up the NOE complex. Blows to the central portions of the middle of ...

Fractures that occur within the orbital ... or lamina papyracea. With these types of fractures there is also prolapse of the medial rectus muscle and orbital fat into the air cells of the ethmoid.