Renal vein n. Any of the veins that accompany the renal arteries and open at right angles into the vena cava at the level of the second lumbar [more]Renal vein - Community and Resources
Noun 1. veins that accompany renal arteries; open into the vena cava at the level of the 2nd lumbar vertebra (synonym) vena renalis (hypernym) vein, vena, venous blood vessel (part-holonym) kidney