Bones & Foramina
Foramen
| Foramen | Important structure |
|---|---|
| Foramen spinosum | Middle meningeal artery |
| Foramen ovale | Mandibular division of trigeminal nerve (V3) |
| Foramen rotundum | Maxillary division of trigeminal nerve (V2) |
| Optic canal | Optic nerve (CN II) and ophthalmic artery |
| Superior orbital fissure | CN III, IV, V1 and VI; superior ophthalmic vein |
| Jugular foramen | CN IX, X, XI; sigmoid sinus continues as IJV |