Horseshoe kidney ascent is prevented by:: (A) Superior mesenteric aery, (B) Superior mesenteric vein, (C) Inferior mesenteric aery, (D) Inferior mesenteric vein
Answer is C. Ascent of horseshoe kidney remains incomplete due to Inferior Mesentric Aery prevents fuher migration of kidney . Isthmus usually located adjacent to L3-L4 veebrae , just below the origin of IMA from abdominal aoa .