| 1
.
| Frontal tuber |
| 2
.
| Supraorbital foramen |
| 3
.
| Frontal sinus |
| 4
.
| Fossa of lacrimal gland |
| 5
.
| Zygomatic process |
| 6
.
| Temporal line & temporal surface |
| 7
.
| Articular surface for greater wing sphenoid bone |
| 8
.
| Surface facing middle cranial fossa |
| 9
.
| Area which forms roof over ethmoidal cells |
| 10
.
| Posterior ethmoidal foramen |
| 11
.
| Ethmoidal incisure |
| 12
.
| Frontal bone (squamous part) |
| 13
.
| Parietal margin |
| 14
.
| Glabella |
| 15
.
| Nasal margin |
| 16
.
| Frontal spine |
| 17
.
| Area forming part of roof of nasal fossa |
| 18
.
| Canal opening into diploic space |
| 19
.
| Supraorbital margin |
| 20
.
| Trochlear pit |
| 21
.
| Anterior-ethmoidal foramen |
| 22
.
| Orbital surface |
