The human body has about two kidneys, located on both sides of the lumbar spine. The kidney shape such as beans, edge uplift, inner middle s
The human body has about two kidneys, located on both sides of the lumbar spine. The kidney shape such as beans, edge uplift, inner middle sag. Each kidney is about 9-12 cm long, 5-6 cm wide, 3-4 cm thick, weight 120-150 G. The shape, size and weight of the two kidneys were similar, and the left kidney was slightly larger than the right kidney.
Including the main structure of the kidney: (1): complete glomerular glomerular filtration function, remove metabolites and toxins in the body; (2) renal tubular re absorption useful substances in the glomerular filtrate (sugar, amino acids, small proteins and minerals), local secretion of some regulating factors, remove urinary metabolites and some the drug, regulation of acid-base and water balance; (3) the collection of urine and renal pelvis: pipeline, participates in the regulation of water balance.
Chinese society of Nephrology