List of Foramina from Anterior to Posterior
Mnemonic: Old Rotund Owls Spin Lazily

- Orbital fissure (Superior orbital fissure, i.e. SOF)
- foramen Rotundum
- foramen Ovale
- foramen Spinosum
- foramen Lacerum
These foramina are in the Sphenoid bone.
Contents of Foramina
1. Superior orbital fissure:
Mnemonic: Everything related to Eyes
- CN III (Occulomotor nerve)
- CN IV (Trochlear nerve)
- CN V1 (Ophthalmic nerve – Lacrimal, frontal and nasociliary branches)
- CN VI (Abducens nerve)
- Ophthalmic vein
2. Foramen rotundum:
Mnemonic: RoMax
- CN V2 (Maxillary nerve)
3. Foramen ovale:
Mnemonic: O-Man/O-MALE
- Otic ganglion
- CN V3 (Mandibular nerve)
- Accessory meningeal artery
- Lesser petrosal nerve
- Emissary vein
4. Foramen spinosum:
Mnemonic: MMS
- Middle meningeal artery
- Meningeal branch of mandibular artery
5. Foramen lacerum/Carotid canal:
Mnemonic: LIP
- Internal carotid artery
- Pterygoid canal (Vidian canal) artery and nerve
- Vidian artery: branch of maxillary artery
- Vidian nerve: Greater superficial petrosal nerve + Deep petrosal nerve