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Sphenoid & Temporal
opening, region connected, and associated bone of nerves
| Opening | Region Connected | Bone | Entering? |
|---|---|---|---|
| Optic Canal | Middle Cranial Fossa & Orbit | Sphenoid | CN 2, and Ophthalmic Artery |
| Superior Orbital Fissure | Middle Cranial Fossa & Orbit | Sphenoid | CNs 3,4,5-1,6 and Ophthalmic Vein |
| Foramen Rotundum | Middle Cranial Fossa & Pterygopalatine | Sphenoid | CN 5-2 |
| Foramen Ovale | Middle Cranial Fossa & Infratemporal Fossa | Sphenoid | CN 5-3 |
| Foramen Spinosum | Middle Cranial Fossa & Infratemporal Fossa | Sphenoid | Middle Meningeal Artery and Vein |
| Foramen Lacerum | Middle Cranial Fossa = sealed | Sphenoid | n/a |
| External Auditory Meatus | Opens Externally | Temporal | n/a |
| Internal Auditory Meatus | Posterior Cranial Fossa & Inner Ear | Temporal | CN 7, 8 |
| Stylomastoid Foramen | Petrous portion & Neck | Temporal | n/a |
| Carotid Canal | Middle Cranial Fossa & Neck | Temporal | Internal carotid artery |
| Jugular Foramen | Posterior Cranial Fossa & Neck | Temporal/ Occipital | CN 9, 10, 11 |
| Foramen Magnum | Posterior Cranial Fossa & Verterbral Canal | Occipital | Vertebral canal/ arteries |
| Hypoglossal Canal | Posterior Cranial Fossa & Neck | Occipital | CN 12 |
| Inferior Orbital Fissure | Orbit with Pterygopalatine fossa and Infratermporal fossa | Sphenoid | CN 5-2, and Infraorbital Nerve, Zygomatic Nerve, and Inferior Opthalmic Vein |
| Supraorbital Foramen | Orbit and Face | Frontal | Supraorbital VAN |
| Infraorbital Foramen | Orbit and Face | Maxilla | Infraorbital VAN |