ANATOMY

Detailed explanation-1: -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-2: -The notch in the concave area of the kidney is called the hilum (HĪ lum). The renal artery, renal vein, nerves, and lymphatic vessels enter and leave through the hilum. The ureter also widens into a collection sac called the renal pelvis in the hilum area.

Detailed explanation-3: -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.

Detailed explanation-4: -The medial concave border of a kidney contains a notch known as hilus through which the renal artery enters and the renal vein and ureter leave the kidney.

Detailed explanation-5: -The hilus is the notch near the center of the concave medial border through which the ureter leaves the kidney, and blood and lymphatic vessels and nerves enter and leave the kidney. The renal sinus is the cavity within the kidney that originates at the hilus.