occurs when a stone gets stuck in one of the two tubes that connect the kidneys to the bladder, called the ureters. When this happens, the walls of the ureter will contract and spasm in an effort ...

Possibly the most crucial event in kidney formation is the first signalling process that induces the outgrowth of the ureter from the mesonephric duct. Indeed, malformations of the ureter belong ...

Blood is transported to the kidney ... system through the renal vein. The kidneys produce urine and this helps maintain water balance. The urine is taken from the kidneys to the bladder by the ...