As the kidney continues to function and make urine, pressure builds up behind the stone and causes the kidney to swell. This pressure is what causes the pain of a kidney stone, but it also helps push the stone along the course of the ureter. When the stone enters the bladder, the obstruction in the ureter is relieved and the symptoms of a kidney stone are resolved.
verb. back up information, story. 1  approve. 2  authenticate. 3  bear out. 4  certify. 5  check on. 6  check out. 7  check up. 8  confirm. 9  declare true. 10  document. 11  double check. 12  endorse. 13  establish. 14  give nod. 15  justify. 16  okay. 17  prove. 18  ratify. 19  rubber-stamp. 20  strengthen. 21  substantiate. 22  support. 23  sustain. 24  validate. 25  verify.
The verb rusticate means to send to the countryside.. If you live in the city, you may want to rusticate your kids in the summers so they can experience a different lifestyle. In Britain, another meaning of the verb is to suspend from university, as in to be punished. If you get caught breaking too many rules with your practical jokes, the dean may rusticate you for a term or two.