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Basal Skull Foramen

Basal ForamenLocationTransmits
Olfactory foramen Anterior crainal fossa CN I - Olfactory
Optic foramen Middle Crainial fossa, inferior aspect of lesser wings of sphenoid CN II - Optic
Superior Orital fussure B/w greater and lesser wing of sphenoid CN III, IV, V1, VI - Occularmotor, Trochlear, Trigeninal Opthalmic, Abdeuces
Foramen Rotundum Middle Crainial Fossa, greater wing of sphenoid CN V2 - Trigeminal Maxillary
Foramen Ovale Middle Crainial fossa, postero-lateral to foramen rotundum CN V3 - Trigeminal Mandibular
Foramen Spinosum Middle Crainial fossa, postero-lateral to foramen ovale Middle meninggeal artery
Foramen Lacerum Middle crainial fossa, lateral to dorsum sallae Carotid artery
Carotid Foramen Middle crainial fossa, petrous bone Leads to foramen lacerum, carotid artery
Foramen Magnum Posterior crainial fossa spinal cord and vertebral arteries
Jugular Foramen Posterior crainial fossa, b/w petrous ridges and occipital bone, antero-lateral to foramen magnum Jugular vein, CN IX, X, XI - Glossopharengeal, vagus, accessory
Internal Auditory Foramen Posterior crainial fossa, postero-lateral aspect of petrous ridegs CN VII, VIII - Facial, Vestibulochochlear
Hypoglossal Foramen Posterior crainial fossa, lateral aspect of foramen magnum CN XII - hypoglossal
Created by: masun