
Outside the kidney is a paired bean-shaped organ. Its length is 10-12 cm, width is 5-6 cm, thickness is 3-4 cm, weight is 120-200 g. The left kidney is somewhat longer than the right one and sometimes has a greater weight. The color of the kidneys is often dark brown. The outer edge is convex, the inner one is concave. On the 250 word essay inner edge there is a depression where the gates of the kidney are formed, leading to its sinus. In the gate and sinus are the cups, pelvis, ureter, artery, vein and lymphatic vessels. If we consider the ratio of the vessels, pelvis and ureter, then in front