An Overview of Hydronephrosis
Usually, urine flows from the kidneys to the bladder via the ureter. When a blockage or obstruction impedes the normal flow of urine, hydronephrosis can develop. Overview The urinary tract serves two distinct purposes. Getty Images / Peter Dazeley The primaryfunction of the kidneysis to filter out extra water, salt, and waste. The second is to collect and excrete urine from the body. If the system becomes blocked, urine can accumulate, causing the kidneys to swell....