1
.
| Corpus callosum (trunk) |
2
.
| Medial longitudinal stria |
3
.
| Inferior surface of right fornix |
4
.
| Internal cerebral vein left |
5
.
| Massa intermedia |
6
.
| Interventricular foramen (of Monro) |
7
.
| Free part of column of fornix |
8
.
| Branch posterior cerebral artery (lateral central branch) |
9
.
| Trochlear nerve (IV) |
10
.
| Falx cerebri |
11
.
| Great cerebral vein (of Galen) |
12
.
| Straight sinus (opened) |
13
.
| Branch of superior cerebellar artery and layer of arachnoid membrane which bounds the cisterna venae magnae cerebri laterally |
14
.
| Pineal body |
15
.
| Superior cerebellar vein |
16
.
| Inferior colliculus |
17
.
| Cerebellum |