| 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 |
|
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