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What is Excretory system of kidney is derived from ? and explain in detail?
Ans. is 'c' i.e., Metanephros Development of kidney Ureteric 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.