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': 'Appendix of testis is derived from? \nSelect and explain. \nA. Mesonephric duct, B. Hind gut, C. Cloaca, D. Paramesonephric duct', 'role': 'user'}, {'content': 'Answer: D \nExplanation: See APPENDIX-5 below for "ADULT DERIVATIVES AND VESTIGIAL REMAINS OF EMBRYONIC UROGENITAL STRUCTURES”', 'role': 'assistant'}]