Renal agenesis is due to: (A) Defect in ascent of metanephron, (B) Defective formation of nephritic tissue, (C) Defect of the ureteric bud and mesonephros, (D) All of the above
Answer is D. Development of Kidney: Secretory pa of kidney:derived from metanephrons/metanephric blastyma Collecting pa of kidney:derived from ureteric bud