Initially renal aeries are branches of: (A) Aoa, (B) Common iliac aery, (C) External iliac aery, (D) Internal pudendal aery
Answer is B. Initially the renal aeries are branches of the common iliac aeries, then the distal end of aoa and when kidneys are located at a higher level, they receive new branches from the aoa. Normally the caudal renal vessels undergo involution and disappear. Ref - pubmed.com