1
.
| Optic nerve (II) and anterior clinoid process (covered by dura) |
2
.
| Internal carotid artery |
3
.
| Diaphragma sellae |
4
.
| Posterior communicating artery |
5
.
| Oculomotor nerve (III) |
6
.
| Location of cavernous sinus (covered by dura) |
7
.
| Tentorium cerebelli (reflected) |
8
.
| Trochlear nerve (IV) |
9
.
| Trigeminal nerve (V) (beneath arachnoid membrane) |
10
.
| Superior cerebellar vein |
11
.
| Branch superior cerebellar artery |
12
.
| Anterior cerebral artery right |
13
.
| Anterior commissure |
14
.
| Optic chiasm (cut across in midline) |
15
.
| Infundibulum and triangular recess (upper pointer) |
16
.
| Infundibular recess |
17
.
| Mamillary body (cut across) |
18
.
| Cerebral peduncle |
19
.
| Third ventricle |
20
.
| Red nucleus |
21
.
| Arterial branch which entered brain stem through posterior perforated substance in interpeduncular fossa |
22
.
| Position of medial lemniscus |
23
.
| Brachium inferior quadrigeminal (cut across) |
24
.
| Superior colliculus |
25
.
| Internal cerebral vein left |