1
.
| Third ventricle |
2
.
| Pineal body (cut across) |
3
.
| Commissure of the superior colliculus (upper pointer) Central gray matter (lower pointer) |
4
.
| Gray matter in pretectal region |
5
.
| Cerebral aqueduct and central gray matter |
6
.
| Fourth ventricle |
7
.
| Pulvinar |
8
.
| Brachium of superior colliculus |
9
.
| Medial geniculate body and cut end of brachiurn of inferior colliculus |
10
.
| Cerebral peduncle |
11
.
| Ipsilateral fibers of brachium conjunctivum (superior cerebellar peduncle) |
12
.
| Medial lemniscus |
13
.
| Brachium conjunctivum (superior cerebellar peduncle) (cut across) |
14
.
| Brachium pontis (middle cerebellar peduncle) (medial aspect exposed by removal of tegmental part of pons) |