The model consists of two parts of the renal profile, showing the structures of the renal cortex, renal medulla, proximal convoluted tubules, distal convoluted tubules, medullary loops, collecting ducts, papillary ducts, renal calyces, renal calyces, renal pelvis, ureter, interlobular artery, vein, renal artery, vein and adrenal gland, with a total of 24 site indicators.