Foramen Ovale - Greater wing of sphenoid bone; mandibular branch of trigeminal nerve( CN V3 )), Foramen Rotundem - Greater wing of Sphenoid bone; maxillary branch of trigeminal nerve ( CN V2 ), Foramen Spinosum - Greater wing of Sphenoid; middle meningeal vessels, Hypoglossal Canal - anteromedial to occipital condyle of occipital bone; hypoglossal nerve ( CN XII ), Inferior Orbital Fissure - junction of maxilla, sphenoid, and zygomatic; infraorbital nerve ( branch of CN V2 ), Jugular Foramen - between temporal bone nd occipital bone (posterior to the carotid canal); internal jugular vein, glossopharyngeal nerve ( CN IX ), Vagus nerve ( CN X ), accessory nerve ( CN XI ), Mastoid Foramen - posterior to mastoid process; mastoid emissary veins, Optic Canal - posteromedial part of orbit in lesser wing of sphenoid; Optic nerve ( CN II ), Parietal Foramina - parietal bone near sagittal suture; parietal emissary veins, Stylomastoid Foramen - between mastoid and styloid processes of temporal bone; Facial nerve ( CN VII ), Superior Orbital Fissure - posterior part of orbit between greater and lesser wings of sphenoid; ophthalmic veins, oculomotor nerve ( CN III ), trochlear nerve ( CN IV ), opthalmic branch of trigeminal nerve ( CN V1 ), abducens nerve ( CN VI ) , Supraorbital Foramen - supraorbital margin of orbit; supraorbital artery, supraorbital nerve branch of trigeminal ( CN V1 ) , Carotid Canal - petrous part of of temporal bone; internal carotid artery, Cribriform Foramina - cribriform plate of ethmoid bone; olfactory nerve ( CN I ), Foramen Lacerum - between petrous part of temporal bone, sphenoid bone and occipital bone; covered with cartilage, Foramen Magnum - occipital bone; vertebral arteries, spinal cord, accessory nerves ( CN XI ) , Mental Foramen - inferior to second premolar on anterolateral surface of mandible; mental blood vessels, mental nerve branch of trigeminal ( CN V3 ), Infraorbital Foramen - inferior to orbit in maxilla; infraorbital artery, infraorbital nerve branch of ( CN V2 ) e, Mandibular Foramen - medial surface of mandibular ramus; inferior alveolar blood vessel, inferior alveolar nerve branch of ( CN V3 ),

Cranial Nerve Pathways

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