| 1
.
| Optic nerve (II) (cut across) |
| 2
.
| Inferior cerebral vein |
| 3
.
| Oculomotor nerve (III) |
| 4
.
| Branches of cerebral artery posterior to brain stem (lateral central branches) |
| 5
.
| Superior cerebellar artery (cut across) |
| 6
.
| Trigeminal nerve (V) |
| 7
.
| Cerebellar vein (petrosal vein) |
| 8
.
| Superior petrosal sinus (opened) |
| 9
.
| Facial nerve (VII) and vestibulocochlear nerve (VIII) |
| 10
.
| Anterior inferior cerebellar artery (cut across) |
| 11
.
| Transverse sinus (cut across) |
| 12
.
| Glossopharyngeal nerve (IX), vagus nerve (X), and accessory nerve (Xl) |
| 13
.
| Choroid plexus fourth ventricle |
| 14
.
| Spinal root of accessory nerve (XI) lying against dura |
| 15
.
| Roots hypoglossal nerve (XII) |
| 16
.
| Verterbral artery left (ascending through cerebellomedullary cistern beneath medulla) |
| 17
.
| Medulla oblongata |
| 18
.
| Margin of foramen magnum (cut across) |
| 19
.
| Vertebral artery passing medially across arch of atlas |
| 20
.
| Mesencephalon (cut across) |
| 21
.
| Superior cerebellar vein |
| 22
.
| Inferior colliculus |
| 23
.
| Trochlear nerve (IV) |
| 24
.
| Cerebellar lingula |
| 25
.
| Superior cerebellar peduncle (cut across below pointer) |
| 26
.
| Brachium pontis (middle cerebellar peduncle) (cut across) |
| 27
.
| Fourth ventricle |
| 28
.
| Inferior cerebellar peduncle(cut across) |
| 29
.
| Cerebellum (sagittal section) |
| 30
.
| Straight sinus (opened) |
| 31
.
| Fourth ventricle (visible through medial aperture fourth ventricle [foramen of Magendie]) |
| 32
.
| Posterior inferior cerebellar artery right |
| 33
.
| Cerebellar tonsil |
| 34
.
| Clava |
| 35
.
| Occipital sinus |
| 36
.
| Falx cerebelli |
| 37
.
| Root of cervical nerve (II) |
