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.
Particularly used as mitigate a problem or flaw. Contrast with ameliorate (âmake betterâ). This word is often misused to mean âoperateâ or âinfluenceâ. For this meaning the correct word is militate, followed by âagainstâ or âin favour ofâ.