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': 'Excretory poion of kidney is formed by? \nSelect and explain. \nA. Urogenital sinus, B. Mullerian duct, C. Mesonephric duct, D. Genital tubercle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: DERIVATIVES OF MESONEPHRIC DUCT Both in Males and a Females Collecting tubules Minor and major calyces Pelvis Ureter Trigone of bladder In Males Epidydymis Vas derferens Seminal vesicles Mesoderm of prostate Ejaculatory duct In Females Ganers duct', 'role': 'assistant'}]