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.
Synonyms for validate. verb ascertain the truth, authenticity of something. 1  ratify star. 2  certify star. 3  confirm star. 4  legalize star. 5  substantiate star. 6  legitimize star. 7  corroborate star. 8  verify star.
2. Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection. An answer that is open to no valid exception.- I. Taylor.dj. 1. valid-well grounded in logic or truth or having legal force; a valid inference ; a valid argument ; a valid contract ; a valid license . Antonyms: invalid-having no cogency or legal force; invalid reasoning; an invalid driver's license.