For Providers -- Atlas of Human Anatomy

The ethmoid bone, by its upper outer surface.

Translated by: Ronald A. Bergman, PhD and Adel K. Afifi, MD, MS
Peer Review Status: Internally Peer Reviewed

A) Lamina cribrosa (horizontalis).
B) Ethmoidal, labryinth.
C) Lamina perpendicularis.

a) Crista galli.
b) Winged processes.
c) Foramina cribrosa.
d) Lamina papyracea.