1
.
| Supraorbital margin |
2
.
| Orbital surface of frontal bone |
3
.
| Sphenofrontal suture |
4
.
| Zygomaticofrontal suture |
5
.
| Superior orbital fissure |
6
.
| Upper pointer: Optic foramen Lower pointer: Lateral rectus spine |
7
.
| Lower root of Lesser wing sphenoid bone |
8
.
| Upper pointer: Orbital tubercle of zygomatic bone Lower pointer: Body sphenoid bone |
9
.
| Orbital process palatine bone |
10
.
| Greater wing of sphenoid |
11
.
| Sphenozygomatic suture |
12
.
| Inferior orbital fissure |
13
.
| Zygomatic bone |
14
.
| Upper pointer: Ethmoidomaxillary suture Lower pointer: Orbital surface of maxilla |
15
.
| Infraorbital sulcus |
16
.
| Zygomaticomaxillary suture |
17
.
| Supraorbital foramen |
18
.
| Nasal part of frontal bone |
19
.
| Anterior ethmoidal foramen |
20
.
| Nasofrontal suture |
21
.
| Frontomaxillary suture |
22
.
| Posterior ethmoidal foramen |
23
.
| Upper pointer: Orbital plate of ethmoid Lower pointer: Lacrimoethmoidal suture |
24
.
| Lacrimomaxillary suture |
25
.
| Fossa of lacrimal sac |
26
.
| Anterior lacrimal crest |
27
.
| Posterior lacrimal crest |
28
.
| Frontal process of maxilla |
29
.
| Infraorbital margin |
30
.
| Upper pointer: Infraorbital suture Lower pointer: Infraorbital foramen |