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': 'Ductus deference is derived from \nSelect and explain. \nA. Mesonephric duct, B. Mullerian duct, C. Paramesonephric, D. Vitelline duct', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Inderbir Singh&;s Human embryology Tenth edition The mesonephric ducts give rise to: Trigone of urinary bladder Posterior wall of prostatic urethra Ductus deferens Seminal vesicles Epididymis Ejaculatory ducts', 'role': 'assistant'}]