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
Nephron is derived from ? 
Select and explain. 
A. Ureteric bud, B. Mesonephric duct, C. Metanephros, D. Mesonephros
C: Metanephros
Answer: C: Metanephros 
Explanation: Development of kidneyUreteric bud (mesonephros) arise from mesonephric duct and gives rise to collecting system of kidney (renal pelvis, major and minor calyces, collecting tubule) and ureter.Metanephric mesoderm (blastema or metanephors) arise from nephrogenic cord which in turn is derived from intermediate mesoderm. It gives rise to excretory unit (nephron), i.e. glomeruli, PCT, Loop of henle and DCT.