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
[{'content': 'Structures passing through superior orbital fissure-a) Oculomotor nerveb) Trochlear nervec)  Lacrimal nerved) Nasocilliary nervee) Abducent nerve \nSelect and explain. \nA. abcd, B. acde, C. abcde, D. abce', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Structures passing through superior orbital fissure are :-\n\n\nMiddle part (within the ring) :-\xa0Upper and lower division of oculomotor nerve, nasociliary nerve, abducent nerve.\nLateral part (above the ring) :-\xa0Trochlear nerve,\xa0frontal nerve and\xa0lacrimal nerve, superior ophthalmic vein,\xa0. recurrent menigeal branch of lacrimal artery, orbital branch of middle meningeal artery and sometimes meningeal branch of ophthalmic artery.\nMedial part (below the ring) :-\xa0Inferior ophthalmic vein, sympathetic nerves around ICA.', 'role': 'assistant'}]