Cranial nerves and foramina Flashcards
CN I is ?
Olfactory N.
Sensory
CN II is ?
Optic N.
Sensory
CN III is ?
Oculomotor N.
Motor
CN IV is ?
Trochlear N.
Motor
What is CN V and name the 3 divisions.
Trigeminal N.
Ophtalmic division (V1)
Maxillary division (V2)
Mandibular division (V3
Mixted
CN VI is ?
Abducens N.
Motor
CN VII is ?
Facial N.
Mixed
CN VIII is ?
Vestibulocochlear N.
Sensory
CN IV is ?
Glossopharyngeal N .
Mixed
CN X is ?
Vagus N.
Mixed
CN XI is ? and what are the 2 divisions ?
Accessory N.
Spinal & cranial divisions
Motor
CN XII is ?
Hypoglossal N.
Motor
What passes through the incisive foramen ?
Nasopalatine N.
Greater palatine A.
Sphenopalatine A.
What passes through the greater and lesser palatine foramen ?
Greater and lesser palatine nerves & vessels
What passes through the foramen cecum ?
Nasal emissary veins
What passes through the cribiform foramen in the cribiform plate ?
Axons that forms the olfactory N.
What passes in the anterior and posterior ethmoidal foramina ?
Ant & post ethmoidal vessels and N.
What passes in the optic canal ?
Optic N and ophtalmic arteries
What passes through the superior orbital fissure (SOF)
CN III, IV, V1, VI, opthalmic veins & sympathetic N.
What passes through foramen rotundum ?
CN V2 (maxillary N)
What passes trough foramen ovale ?
Mandibular division of trigeminal N (CN V3)
Accessory meningeal A.
Lesser petrosal N.
Emissary veins
What passes through foramen spinosum ?
Middle meningeal A + V
Meningeal branch of CN V3
What passes over foramen lacerum ?
Greater petrosal N.
Some meningeal arteriole branches & small veins.
What passes through internal acoustic meatus ?
CN VII & VIII (facial & vestibulocochlear)
