This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
Collecting pa of kidney of derived from 
Select and explain. 
A. Metanephros, B. Mesonephros, C. Ureteric bud, D. Wolffian duct
C: Ureteric bud
Answer: C: Ureteric bud 
Explanation: .