Anterior view of ethmoid bone

Photograph of the separate olfactory bone after removal from the skull.

Term name Layer
1 Cribriform plate Layer 1
2 Cribriform foramina Layer 1
3 Crista galli Layer 1
4 Ala of crista galli Layer 1
5 Perpendicular plate Layer 1
6 Ethmoidal labyrinth Layer 1
7 Anterior ethmoidal cells Layer 1
8 Orbital plate Layer 1
9 Middle nasal concha Layer 1
10 Uncinate process Layer 1
11 Superior nasal concha Layer 1