Kidney stones form when solutes in the urine precipitate out and crystalize, and although these most commonly form in the kidneys themselves, they can also form in the ureters, the bladder, or the urethra.
当尿液中的溶质析出、结晶时会形成肾结石,它们大多在肾脏中形成,但在输尿管、膀胱、尿道中也可形成。