Q2 - The Orbit, Anatomy. Flashcards
1
Q
Bones
A
7 bones. Frontal (roof), Zygomatic (lateral), Maxillary (floor), Lacrimal (medial, ant to..), Ethmoidal (medial), Sphenoid (posterior), palatine (posterior)
2
Q
Communications
A
Sup. Orbital fissure: btw greater/lesser wings. CN3 (oculomotor), CN4 (trochlear), CN6 (abducens), N. opthalmicus, Sup. Ophthalmic veins.
Inf. Orbital fissure: btw greater wing and maxillary bone. Infraorbital&zygomatic nerves, inf. Ophthalmic vein.
Optic canal: in lesser wing. Optic nerve & ophthalmic artery.
Infraorbital canal: in maxilla. Infraorbital nerve.