Foramen Flashcards
What exits the foramen cecum?
nasal emissary vein
What exits the cribiform foramina in cribiform plate?
axons of olfactory cells in olfactory epithelium that forms olfactory nerves
What exits the anterior and posterior ethmoidal foramina?
vessels and nerves with the same name
What exits the optic canals?
optic nerve and ophthalmic arteries
What exits the superior orbital fissure?
ophthalmic vein, ophthalmic nerve (V1), CN III, IV, IV, and sympathetic fibers
What exits the foramen rotundum?
maxillary nerve (V2)
What exits the foramen ovale?
mandibular nerve (V1) and accessory meningeal artery
What exits the foramen spinosum?
middle meningeal artery and vein and meningeal branch of CN V3
What exits the foramen lacerum?
deep petrosal nerve and some meningeal arterial branches and small beins
What exits the groove or hiatus of greater petrosal nerve ?
greater petrosal nerve and petrosal branch of middle meningeal artery
What exits the foramen magnum?
medulla and meninges, vertebral arteries, CN XI, dural veins, anterior and posterior spinal arteries
What exits the jugular foramen?
CN IX, X, and XI, superior bulb of internal jugular vein, inferior petrosal and sigmoid sinuses, and meningeal branches of ascending pharyngeal and occipital arteries
What exits the hypoglossal canal?
hypoglossal nerve (CN XII)
What exits the condylar canal?
emissary vein that passes from sigmoid sinus to vertebral veins in the neck
What exits the mastoid foramen?
mastoid emissary vein from sigmoid sinus and meningeal branch of occipital artery