Ascent of horse shoe shaped kidney is prevented by
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.
Superior mesenteric aery
Inferior mesenteric aery
Superior mesenteric vein
Inferior mesenteric vein
GIT 1