Scientists from Massachusetts General Hospital have used baby-rat cells to grow functioning artificial kidneys in a lab, marking an important step toward the ultimate goal of creating human organs ...

The urine is taken from the kidneys to the bladder by the ureters. The bladder stores the urine until it is convenient to expel it from the body. Note that 'ureter' differs from the word 'urethra'.

US surgeons say they have successfully given a pig's kidney to a person in a transplant breakthrough they hope could ultimately solve donor organ shortages. The recipient was brain-dead, meaning ...