Foramina And What Passes Through It Flashcards
What exits at the cibriform plate of ethmoid
Olfactory nerves fibres /tract
What exits at the optic canal?
Optic nerve and ophthalmic artery
Where does the optic nerve (CN2) exit?
Optic canal
What exits at the superior orbital fissure?
Oculomotor (III) , Trochlear (IV) , Opthalamic division of Trigemal nerve, opthalamic vein, abduccence nerve (VI)
Where does the Oculomotor (III) exit?
Superior orbital fissure
Where does the trochlear nerve (IV) exit?
Superior orbital fissure
What exits at the foremen rotundum.
Maxillary division of trigeminal nerve (V)
Where do the each division of the trigeminal nerve exit?
Opthalamic division - superior orbital fissure
Maxillary division - foremen rotundum
Mandibular division - foramen ovale
Where does abducens nerve (VI) exit?
Superior orbital fissure
What exits at the foramen ovale?
Mandibular division of trigemal nerve (V3)
What exits at the foramen lacerum?
Internal carotid artery
Where does the internal carotid artery exit?
Foramen lacerum and carotid canal
What exits at the foramen spinosum
Middle meníngeas artery and vein
Where does the middle meníngeas artery and vein exit?
Foramen spinosum
What exits at internal acoustic meatus ?
Facial ( VII), vestibulocochlear/ Auditory nerve (VIII) labyrinthine artery
Where does the facial nerve (VII) exit?
Internal acoustic meatus
Where does the vestibulocochlear/ auditory nerve (VIII) exit
Internal acoustic meatus
What exits at the jugular foramen?
Glossopharyngeal (IX), Vagus (X) Accesory (XI), Sigmoid sinus
Where does the glossopharyngeal nerve exit?
Jugular foramen
Where does the Vagus nerve (X) exit?
Jugular foramen
What exits at the hypoglissal canal
Hypoglossal nerve (XII)
Where does the Hypoglossal nerve (XII) exit?
Hypoglossal canal
What exits at the foramen magnum?
Vertebral arteries, spinal roots of accessory nerve, medulla of brain
