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
Excretory poion of kidney is formed by? 
Select and explain. 
A. Urogenital sinus, B. Mullerian duct, C. Mesonephric duct, D. Genital tubercle
C: Mesonephric duct
Answer: C: Mesonephric duct 
Explanation: 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