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What is Initially, renal arteries are branches of - and explain in detail?
Ans. is 'c' i.e., Common iliac artery o Due to ascent of kidneys during development, the blood supply of kidney changes:-Initially when the kidneys are in pelvis, the renal arteries are branches of common iliac arteries.With progressive ascent, the arteries to kidneys are derived from different levels of aorta.