Osteology

Ethmoid bone, inferior view

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Image #43-1

Osteology

Ethmoid bone, inferior view

The perpendicular lamina is deviated to the right of the midline. This is a common condition.

1. Articular border of perpendicular plate for septal cartilage
2. Articular border for vomer
3. Alas processes
4. Ethmoidal labyrinth
5. Crista galli (in background)
6. Cribriform plate
7. Perpendicular plate
8. Middle nasal concha
9. Uncinate process