| 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 |
