| 1
.
| Central lobule |
| 2
.
| Superior colliculus |
| 3
.
| Inferior colliculus |
| 4
.
| Lateral lemniscus |
| 5
.
| Ala central lobule |
| 6
.
| Medial lemniscus |
| 7
.
| Cerebral peduncle |
| 8
.
| Substantia nigra |
| 9
.
| Fibers passing into tegmentum from substantia nigra |
| 10
.
| Position of main sensory nucleus of trigeminal nerve and root of trigeminal nerve passing through brachium pontis (middle cerebellar peduncle) (lower pointer) |
| 11
.
| Oculomotor nerve (III) |
| 12
.
| Superior cerebellar artery |
| 13
.
| Posterior cerebral artery right |
| 14
.
| Branch of basilar artery to pons |
| 15
.
| Superior semilunar lobe (crus I ansiform lobule) |
| 16
.
| Horizontal cerebellar sulcus |
| 17
.
| Posterior inferior cerebellar artery (PICA) |
| 18
.
| Pyramid (vermis) |
| 19
.
| Brachium conjunctivum (superior cerebellar peduncle) |
| 20
.
| Fourth ventricle |
| 21
.
| Nucleus of vestibular nerve |
| 22
.
| Facial colliculus (dissected) |
| 23
.
| Striae medullares |
| 24
.
| Medial longitudinal fasciculus |
| 25
.
| Nucleus hypoglossal nerve |
| 26
.
| Longitudinal fasciculus (pyramidal) pontine |
| 27
.
| Superficial pontine fibers |
| 28
.
| Vertebral arteries |
