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CNs and Foramen
CNs and their exits through the skull
| Cranial Nerve # | Cranial Nerve Name | Foramen | Bone |
|---|---|---|---|
| II | Optic | Optic Canal | Sphenoid |
| III | Oculomotor | Superior Orbital Fissure | Sphenoid |
| IV | Trochlear | Superior Orbital Fissure | Sphenoid |
| V (a) | Opthalamic Branch of Trigeminal | Superior Orbital Fissure | Sphenoid |
| VI | Abducent | Superior Orbital Fissure | Sphenoid |
| VII | Facial | Internal Acoustic Meatus | Temporal |
| VIII | Vestibulocochlear | Internal Acoustic Meatus | Temporal |
| IX | Glossopharyngeal | Jugular Foramen | Temporal, Occipital |
| X | Vagus | Jugular Foramen | Temporal, Occipital |
| XI | Accessory | Jugular Foramen | Temporal, Occipital |
| XII | Hypoglossal | Hypoglossal Canal | Occipital |
| I | Olfactory | Cribiform Plate | Ethmoid |
| V (b) | Maxillary Branch of Trigeminal | Foramen Rotundum | Sphenoid |
| V (c) | Mandibular Branch of Trigeminal | Foramen Ovale | Sphenoid |