Internal Foramina of Skull

Foramen Cecum

Emissary veins to nasal cavity
Olfactory foramina in cribriform plate

Olfactory nerves [1]
Optic canal

Optic nerve [II]
Superior orbital fissure
- Oculomotor nerve [III]
- Trochlear nerve [IV]
- Ophthlamic division of Trigeminal Nerve [V1]
- Abducent Nerve [VI]
- Ophthalmic Veins
Foramen rotundum

Maxillary division of the trigeminal nerve [V2]
Foramen Ovale
- Mandibular division of the trigeminal nerve [V2]
- Lesser petrosal nerve
Foramen spinosum

Middle meningeal artery
Hiatus for the greater petrosal nerve

Greater petrosal nerve
Hiatus for the lesser petrosal nerve

Lesser petrosal nerve
Foramen magnum
- beginning of spinal cord
- vertebral arteries
- spinal roots of accessory nerve
- meninges
Internal acoustic meatus
- Facial nerve [VII]
- Vistibulocochlear Nnerve [VIII]
- Labyrinthine Artery
Jugular foramen
- Glossopharyngeal nerve [IX]
- Vagus nerve [X]
- Accessory nerve [XI]
- Inferior petrosal sinus
- Sigmoid Sinus (forms internal jugular vein)
Hypoglossal Canal
- Hypoglossal nerve [XII]
- meningeal branch of the ascending pharyngeal artery
Condylar Canal

Emissary vein

Author

Mlb8588

239642

Card Set

Internal Foramina of Skull

Description

All of the internal foramina of the skull and the structures passing through them

Updated

2013-10-09T02:43:33Z

Show Answers