Cranial foramina and their contents
| CN, cranial nerve. | |
| Cribriform plate | Olfactory nerve |
| Optic canal | Optic nerve, ophthalmic artery |
| Superior orbital fissure | CNs 3, 4, 6, 5 (1st), superior ophthalmic vein |
| Foramen rotundum | CN 5 (2nd) |
| Foramen ovale | CN 5 (3rd), accessory meningeal artery |
| Foramen spinosum | Middle meningeal artery |
| Internal auditory canal | CNs 7, 8 |
| Jugular foramen | CNs 9, 10, 11, jugular vein |
| Hypoglossal canal | CN 12 |
| Foramen magnum | CN11, spinal cord, vertebral and spinal arteries |