1
.
| Mucosa of frontal sinus |
2
.
| Orbital part of frontal bone |
3
.
| Position of anterior ethmoidal foramen (opened) |
4
.
| Olfactory bulb |
5
.
| Periorbita |
6
.
| Mucosa of ethmoidal cell (posterior) |
7
.
| Position of maxillary sinus (in depths of view) |
8
.
| Maxillary nerve (V) |
9
.
| Oculomotor nerve (III) |
10
.
| Part of pterygoid venous plexus |
11
.
| Deep temporal nerve posterior |
12
.
| Ophthalmic nerve (VI) |
13
.
| External pterygoid muscle |
14
.
| Abducens nerve (VI) |
15
.
| Crista galli |
16
.
| Mucosa of sphenoid sinus |
17
.
| Middle cranial fossa |
18
.
| Optic nerves (II) |
19
.
| Internal carotid artery (right and left) |
20
.
| Hypophysis (left half cut away) |
21
.
| Sella turcica |
22
.
| Dorsum sellae |