| 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 |
