Left renal vein

The renal veins are veins that drain the kidney. They connect the kidney to the inferior vena cava. They carry the blood filtered by the kidney.3D-rendered computed tomography, showing one renal vein (in red color) for each kidneyFrontal section through the kidneyDiagram showing completion of development of the parietal veins.The venæ cavæ and azygos veins, with their tributaries.Renal veinHuman kidneys viewed from behind with spine removed.KidneyRenal veinRenal veinRenal vein The renal veins are veins that drain the kidney. They connect the kidney to the inferior vena cava. They carry the blood filtered by the kidney. There is one vein per kidney, that divides into 4 divisions upon entering the kidney: