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 |