Final answer:
The vessels in the hilum of the kidney are the renal artery, renal vein, and ureter.
Step-by-step explanation:
The vessels in the hilum of the kidney are the renal artery, renal vein, and ureter. The renal artery carries oxygenated blood from the aorta to the kidney, while the renal vein returns cleansed blood from the kidney to the inferior vena cava. The ureter is the tube that carries urine from the kidney to the bladder.