This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Structure passing through superior orbital fissure? 
Select and explain. 
A. Oculomotor nerve, B. Trochlear nerve, C. Superior ophthalmic vein, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. is 'd' i.e., All of the above Structures passing through superior orbital fissure are :-Middle pa (within the ring) Upper and lower division of oculomotor nerve, nasociliary nerve, abducent nerve.Lateral pa (above the ring) :- Trochlear nerve, frontal nerve and lacrimal nerve, superior ophthalmic vein, recurrent menigeal branch of lacrimal aery, orbital branch of middle meningeal aery and sometimes meningeal branch of ophthalmic aery. Medial pa (below the ring) :- Inferior ophthalmic vein, sympathetic nerves around ICA.