This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Mesonephric derivatives are all except \nSelect and explain. \nA. Glomerulus, B. Para- oophoron, C. Vas deferens, D. Epididymis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Glomerulus is derived from Mesonephric blastema, Mesonephric duct gives ureteric bud to form the collecting system of kidneys, Wolffian duct give male reproductive system. Ref: Gray's 39e/p-1289", 'role': 'assistant'}]