PATHOLOGY

Detailed explanation-1: -It is roughly bean-shaped with an indentation, called the hilum, on the medial side. The hilum leads to a large cavity, called the renal sinus, within the kidney. The ureter and renal vein leave the kidney, and the renal artery enters the kidney at the hilum.

Detailed explanation-2: -On the medial side of a kidney is an indentation called the hilus or hilum, at which the renal artery enters and the renal vein and ureter emerge. Nephrons are the microscopic structural and functional units of the kidney. Each nephron consists of a renal corpuscle and renal tubule with associated blood vessels.

Detailed explanation-3: -Hilum of Kidney: Notched or indented area on each kidney. Area where ureter, nerves, blood vessels, and lymph vessels enter and leave the kidney.

Detailed explanation-4: -Hilum of kidney. The depression on the medial border of the kidney through which pass the segmental renal vessels and renal nerves and where the apex of the renal pelvis occurs. Synonym: hilum renalis, porta renis.