Foramen Content Flashcards
Cribriform plate
CN I
Ethmoid
Foramen cecum
Nasal emissary vein
Frontal
Anterior ethmoidal foramen
Anterior ethmoidal artery, vein, and nerve
Frontolethmoidal suture
Posterior ethmoidal foramen
Posterior ethmoidal artery, vein, and nerve
Frontolethmoidal suture
Optic canal
CN II, ophthalmic aarty
Sphenoid - chiasmatic groove
Superior orbital fissure
CNs III, IV, V1, VI, superior ophthalmic vein
Sphenoid
Foramen rotundum
CN V2
Sphenoid
Foramen ovale
CN V3, accessory meningeal artery
Sphenoid
Foramen spinosum
Middle meningeal artery, recurrent meningeal nerve (V3)
Sphenoid
Hiatus for greater petrosal n.
Greater petrosal nerve (CN VII,) petrosal br. of middle meningeal artery
(Temporal - petrous)
Hiatus for lesser petrosal n.
Lesser petrosal nerve (CN IX)
Temporal - petrous, lateral to greater
Internal acoustic meatus
CNs VII and VIII, internal labryrinthine artery (Temporal - petrous)
Jugular foramen
CNs IX, X, and XI, sigmoid sinus, inf. petrosal sinus, internal jugular vein, posterior meningeal branches of occipital and ascending pharyngeal arteries
(Petrooccipital fissue)
Mastoid foramen
Mastoid emissary vein
Temporal - mastoid
Condyloid canal
Condyloid emissary vein
Occipital - lateral to foramen magnum
Foramen magnum
Spinal cord, spinal roots of CN XI, vertebral arteries ant. and post. spinal arteries, dural veins
(Occipital)