With respect to development of nephron arrange the stages in order of there development: 1.Vesicle stage 2.Pre-tubular aggregates 3.Comma shaped 4.S-shaped: (A) 1-3-4-2, (B) 2-3-1-4, (C) 1-4-2-3, (D) 2-1-3-4
Answer is D. Kidney develops from metanephros. Pronephros degenerates and never forms functional nephrons. Stages in order of nephron development Ureteric bud Pretubular aggregates Renal vesicle Comma Shaped S Shaped Mature nephron