Foramina Flashcards
Cribriform plate
Olfactory nerves
Foramen cecum
Occasional small emissary vein from nasal mucosa to superior sagittal sinus
Anterior and posterior ethmoidal foramina
Anterior and posterior ethmoidal nerves, arteries and veins
Optic canal
Optic nerve, ophthalmic artery, central artery, and vein of retina
Superior orbital fissure
Oculomotor, trochlear, and trigeminal nerve, accessory meningeal artery, sometimes lesser petrosal nerve
Foramen rotundum
Maxillary division of trigeminal nerve
Foramen ovale
Mandibular division of trigeminal nerve, accessory meningeal artery, sometimes lesser petrosal nerve
Foramen spinosum
Middle meningeal artery
Foramen lacerum
Upper part is transverse by the internal carotid artery and deep petrosal nerves en route to carotid canal
Carotid canal
Internal carotid artery and sympathetic nerves
Hiatus of facial canal
Greater petrosal nerve
Internal auditory meatus
Facial and vestibulocochlear nerves and labyrinthine artery
Jugular foramen
Glossopharyngeal, vagus, and spinal accessory nerves and beginning of internal jugular vein
Hypoglossal canal
Hypoglossal nerve and meningeal artery
Foramen magnum
Spinal cord, spinal accessory nerve, vertebral arteries, venous plexus of vertebral canal, and anterior and posterior spinal arteries
Condyloid foramen
Condyloid emissary vein
Mastoid foramen
Branch of occipital artery to dura mater and mastoid emissary vein
Zygomaticofacial foramen
Zygomaticofacial nerve
Supraorbital notch
Supraorbital nerve, artery and vein
Infraorbital foramen
Infraorbital nerve, artery, and vein
Mental foramen
Mental nerve, artery, and vein
Petrotympanic fissure
Chorda tympani and often anterior tympanic artery
Stylomastoid foramen
Facial nerve
Incisive canal
Nasopalatine nerve and terminal part of the sphenopalatine or great palatine vessels