| 1
.
| Olfactory tract right (cut off at attachment to olfactory trigone) |
| 2
.
| Optic chiasm and internal carotid artery (cut off) |
| 3
.
| Upper pointer: Optic nerve (II) Lower pointer: Anterior clinoid process (attachment of tentorium visible) |
| 4
.
| Superior rectus muscle |
| 5
.
| Lacrimal artery |
| 6
.
| Lateral rectus muscle |
| 7
.
| Ophthalmic nerve (V1) |
| 8
.
| Maxillary nerve (V2) |
| 9
.
| Sphenoid sinus |
| 10
.
| Internal maxillary artery |
| 11
.
| Pterygoid process sphenoid bone (partially resected) |
| 12
.
| Internal pterygoid muscle |
| 13
.
| Buccinator muscle |
| 14
.
| Posterior clinoid process |
| 15
.
| Base of peduncle (cut across) |
| 16
.
| Upper pointer: Lateral geniculate body Lower pointer: Optic tract |
| 17
.
| Oculomotor nerve (III) |
| 18
.
| Trochlear nerve (IV) |
| 19
.
| Tentorial nerve (recurrent meningeal branch of ophthalmic nerve, which in this specimen grossly appears to be a branch of the trochlear nerve; the tentorium has been cut away from the nerve) |
| 20
.
| Trigeminal nerve (V) |
| 21
.
| Semilunar ganglion (trigeminal) |
| 22
.
| Major superficial petrous nerve |
| 23
.
| Mandibular nerve (V3) |
| 24
.
| External acoustic meatus |
