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': 'Structure not passing through the superior orbital fissure: \nSelect and explain. \nA. Superior ophthalmic vein, B. Trochlear nerve, C. Abducent nerve, D. Zygomatic nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Located posteriorly between the greater and lesser wings of the sphenoid; Superior orbital fissure communicates with the middle cranial fossa. It transmits the lacrimal nerve, the frontal nerve, the trochlear nerve, the oculomotor nerve (upper and lower divisions), the abducent nerve, the nasociliary nerve, and the superior ophthalmic vein.Zygomatic nerve passes through inferior orbital fissure', 'role': 'assistant'}]