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Related to renal vein: iliac artery, iliac vein, Renal vein thrombosis
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|Noun||1.||renal vein - veins that accompany renal arteries; open into the vena cava at the level of the 2nd lumbar vertebra|
kidney - either of two bean-shaped excretory organs that filter wastes (especially urea) from the blood and excrete them and water in urine; "urine passes out of the kidney through ureters to the bladder"