| 1
.
| Venous lacuna |
| 2
.
| Diploic vein within parietal bone |
| 3
.
| Parieto-occipital branch of posterior cerebral artery |
| 4
.
| Superior cerebral veins (posterior branches) |
| 5
.
| Posterior parietal branch of middle cerebral artery |
| 6
.
| Occipital lobe |
| 7
.
| Inferior cerebral vein (lateral occipital vein) |
| 8
.
| Tentorium cerebelli and transverse sinus (opened) |
| 9
.
| Horizontal cerebellar sulcus |
| 10
.
| Branch posterior inferior cerebellar artery (PICA) |
| 11
.
| Mastoid emissary |
| 12
.
| Cerebellar tonsil (at level of foramen magnum) |
| 13
.
| Medulla viewed through arachnoid membrane |
| 14
.
| Superior obliquus capitis muscle (cut across) |
| 15
.
| Occipitalis vein (note posterior vertebral plexus more medial and deeper in the dissection) |
| 16
.
| Skin |
| 17
.
| Superficial fascia |
| 18
.
| Galea aponeurotica |
| 19
.
| Pericranium |
| 20
.
| Superior sagittal sinus |
| 21
.
| Dura mater |
| 22
.
| Posterior branch of middle meningeal artery |
| 23
.
| Confluence of the sinuses |
| 24
.
| Occipitalis muscle (cut across) |
| 25
.
| Temporal bone and occipitomastoid suture |
| 26
.
| Occipital sinus |
| 27
.
| Posterior meningeal artery |
| 28
.
| Occipital bone |
| 29
.
| Posterior arch of atlas (cut across) |
