Foramina and Canals Flashcards
Foramen Cecum
emissary vein to superior sagittal sinus (just in front of cribiform plate/crista galli)
Nasal slit / Anterior Ethmoidal foramen
anterior ethmoidal artery, vein, and nerve
Foramen of Cribiform plate
Olfactory nerves
Posterior Ethmoidal foramen
posterior ethmoidal artery, vein, and nerve
Optic Canal (2)
Optic nerve, Ophthalmic artery
Superior Orbital Fissure (4)
Oculomotor nerve, Trochlear nerve, ophthalmic branch of Trigeminal [specifically lacrimal, frontal, and nasociliary branches of V1], Ophthalmic vein + sympathetic fibers
Foramen Rotundum
Maxillary nerve (V2)
Foramen Ovale (3)
Mandibular nerve (V3), accessory meningeal artery, lesser petrosal nerve
Foramen spinosum (3)
Middle meningeal artery and vein, meningeal branch of mandibular nerve
Foramen Lacerum
Greater Petrosal nerve
Carotid Canal (2)
Internal carotid artery, internal carotid nerve plexus
Internal Acoustic Meatus (3)
Facial nerve, Vestibulococchlear nerve, labyrinthine artery
Jugular Foramen (7)
Glossopharyngeal nerve, Vagus nerve, Accessory nerve, Superior bulb of internal jugular vein, inferior petrosal sinus, sigmoid sinus, posterior meningeal artery
Hypoglossal Canal
Hypoglossal nerve
Foramen Magnum (5)
Medulla oblongata, meninges, vertebral arteries, meningeal branch of vertebral artery, spinal roots of accessory nerve