| Structure |
Foramen/Canal etc. |
Number |
| Emissary vein of superior sagittal sinus | Foramen cecum | |
| anterior ethmoidal artery, vein, and nerve | Nasal slit and Anterior ethmoidal foramen | |
| olfactory nerve bundle | Foramen of cribiform plate | |
| posterior ethmoidal artery, vein, and nerve | Posterior ethmoidal foramen | |
| optic nerve | Optical canal | |
| opthalmic artery | Optical canal | |
| oculomotor nerve | Superior obital fissure | |
| trochlear nerve | Superior obital fissure | |
| Lacrimal branch of opthalmic nerve | Superior obital fissure | |
| Frontal branch of opthalmic nerve | Superior obital fissure | |
| Nasocillary branch of opthalmic nerve | Superior obital fissure | |
| Abducent nerve | Superior obital fissure | |
| Superior opthalmic vein | Superior obital fissure | |
| Maxillary nerve | Foramen rotundum | |
| Mandibular nerve | Foramen ovale | |
| Accessory meningeal artery | Foramen ovale | |
| Lesser petrosal nerve (occasionally) | Foramen ovale | |
| Middle meningeal artery and vein | Foramen spinosum | |
| Meningeal branch of mandibular nerve | Foramen spinosum | |
| Small emissary vein | Sphenoid emissary foramen | |
| Internal carotid artery | Carotid canal | |
| Internal carotid nerve plexus | Carotid canal | |
| Lesser petrosal nerve | Hiatus of lesser petrosal nerve | |
| Greater petrosal nerve | Hiatus for greater petrosal nerve | |
| Facial nerve | Internal acoustic meatus | |
| Vestibulocochlear nerve | Internal acoustic meatus | |
| Labyrinthine artery | Internal acoustic meatus | |
| Endolymphatic duct | External opening of vestibular aqueduct | |
| Emissary vein | Mastoid foramen | |
| Inferior petrosal sinus | Jugular foramen | |
| Glossopharyngeal nerve | Jugular foramen | |
| Vagus nerve | Jugular foramen | |
| Accessory nerve | Jugular foramen | |
| Sigmoid sinus | Jugular foramen | |
| Posterior meningeal artery | Jugular foramen | |
| Emissary vein | Condylar canal | |
| Meningeal branch of ascending pharyngeal artery | Condylar canal | |
| Hypoglossal nerve | Hypoglossal canal | |
| Medulla oblongata | Foramen magnum | |
| Meninges | Foramen magnum | |
| Vertebral arteries | Foramen magnum | |
| Meningeal branches of vertebral arteris | Foramen magnum | |
| Spinal roots of accessory nerves | Foramen magnum | |
