Renal vein.
The renal artery carries blood to the kidney, and the renal vein carries blood that has been purified by the kidney.
vein
The renal vein carries deoxygenated blood from the kidneys to the heart.
The renal artery carries blood into the kidneys while the renal vein drains the blood.
The renal vein carries blood away from the kidney and back towards the heart.
Renal vein thrombosis develops when a blood clot forms in the renal vein, which carries blood from the kidneys back to the heart. The disorder is not common.
The renal artery delivers blood to the kidneys.
The renal vein, which then joins to the Inferior Vena Cava
The renal artery - "renal" being the Latin word for kidney.
The renal vein is low in oxygen because it carries blood that has already been filtered by the kidneys. As the blood flows through the kidneys, waste products are removed and nutrients are reabsorbed, which depletes the oxygen content of the blood.
The aorta pumps the blood out of the heart to the renal artery that leads into the kidneys.
Hepatic portal vein