| 1
.
| Cerebral peduncle (cut across) |
| 2
.
| Middle cranial fossa |
| 3
.
| Branch of posterior cerebral artery |
| 4
.
| Trochlear nerve (IV) |
| 5
.
| Superior cerebellar artery (cut across) |
| 6
.
| Major portion of trigeminal nerve (V) |
| 7
.
| Minor portion of trigeminal nerve (V) |
| 8
.
| Internal auditory artery |
| 9
.
| Facial nerve (VII) and vestibulocochlear (VIII) |
| 10
.
| Anterior inferior cerebellar artery (cut across) |
| 11
.
| Roots glossopharyngeal nerve (IX), vagus (X), and accessory (XI) |
| 12
.
| Spinal root of accessory nerve |
| 13
.
| Hypoglossal nerve root (XII) (other rootlets of this nerve also visible) |
| 14
.
| Vertebral artery left |
| 15
.
| Posterior cranial fossa |
| 16
.
| Posterior inferior cerebellar arteries |
| 17
.
| Spinal medulla |
| 18
.
| Great cerebral vein (of Galen) |
| 19
.
| Inferior colliculus |
| 20
.
| Falx cerebri |
| 21
.
| Straight sinus (opened) |
| 22
.
| Brachium pontis (middle cerebellar peduncle) (cut across) |
| 23
.
| Superior cerebellar peduncle (cut across) |
| 24
.
| Superior part of rhomboid fossa |
| 25
.
| Arbor vitae |
| 26
.
| Inferior cerebellar peduncle(cut across) |
| 27
.
| Nucleus dorsalis cochlear nerve |
| 28
.
| Intermediate part of rhomboid fossa |
| 29
.
| Lateral recess of rhomboid fossa and taenia fourth ventricle |
| 30
.
| Inferior part of rhomboid fossa |
| 31
.
| Falx cerebelli |
