Show pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ====== Skull Base Foramina and their Contents ====== ^**Opening**^**Contents**^ |Cribriform plate|Olfactory Nerve (CN I)| |Optic canal|Optic Nerve (CN II)| |Superior orbital fissure|Oculomotor (CN III), Trochler (CN IV), Trigeminal Opthalmic division (CN V1), Abducens (CN VI), sympathetic fibers,superior ophthalmic vein| |Foramen rotundum|Trigeminal Maxillary division (CN V2)| |Foramen ovale|Trigeminal Mandibular division (CN V3)| |Foramen spinosum|Middle Meningeal artery| |Foramen lacerum|Artery and nerve of pterygoid canal, cartilage and venous drainage| |Carotid Canal|Carotid artery|