Osteology

Sphenoid bone, anterior view

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Image #42-2

Osteology

Sphenoid bone, anterior view

1. Greater wing
2. Lesser wing
3. Frontal margin
4. Orbital surface
5. Zygomatic margin
6. Aperture of sphenoidal sinus
7. Sphenoidal crest
8. Foramen rotundum
9. Upper pointer: Sphenomaxillary surface Lower pointer: Rostrum of sphenoid
10. Upper pointer: Medial plate of pterygoid process Lower pointer: Pterygopalatine sulcus
11. Articular surface for pyramidal process of palatine bone
12. Pterygoid fissure
13. Groove (often a foramen) for recurrent meningeal branch of lacrimal artery
14. Location of optic foramen
15. Superior orbital fissure
16. Temporal fossa
17. Articular surface for ethmoid bone
18. Sphenoidal concha
19. Infratemporal fossa
20. Pterygoid canal
21. Processus vaginalis
22. Angular spine
23. Lateral plate of pterygoid process
24. Pterygoid hamulus