1
.
| Upper pointer: Olfactory tract Lower pointer: Optic nerve (II) |
2
.
| Sella turcica |
3
.
| Left pointer: Venous sinus (unnamed) Middle pointer: Trochlear nerve (IV) Right pointer: Oculomotor nerve (III) |
4
.
| Upper pointer: Trigeminal nerve (V) Lower pointer: Superior petrosal sinus |
5
.
| Upper pointer: Facial nerve (VII) (intermediate nerve lies just below pointer) Lower pointer: Acoustic nerve (VllI) |
6
.
| Glossopharyngeal nerve (IX) |
7
.
| Vagus nerve (X) |
8
.
| Accessory nerve (XI) |
9
.
| Transverse sinus (sigmoid part) |
10
.
| Vertebral artery |
11
.
| Occipital artery (retracted laterally) |
12
.
| Dorsal root cervical nerve II |
13
.
| Anterior cranial fossa |
14
.
| Lesser wing sphenoid bone (covered by dura mater) |
15
.
| Upper pointer: Middle meningeal artery Lower pointer: Middle cranial fossa |
16
.
| Basilar venous plexus (connecting inferiorly with inferior petrosal sinus) |
17
.
| Abducens nerve (VI) |
18
.
| Posterior cranial fossa |
19
.
| Hypoglossal nerve (Xll) |
20
.
| Posterior meningeal artery |
21
.
| Spinal cord |
22
.
| Arch of axis |