Ascent of horse shoe shaped kidney is prevented by: (A) Superior mesenteric aery, (B) Inferior mesenteric aery, (C) Superior mesenteric vein, (D) Inferior mesenteric vein
Answer is B. Initialy in IUL(intrauterine life) kidneys are present in iliac fossa , Kidney has to reach the level of renal aery which is prevented by inferior mesenteric aery which is a branch of abdominal aoa. Fusion of right and left kidney occurs to form a U shaped structure at the level below inferior mesenteric aery.