uret[医] 氮氧甲基ure抱朴说Ureteric stricture输尿管狭窄ureteral prefusion输尿管灌注ureterocystography输尿管膀胱造影术ureotelic organism排尿素的生物Urethromeatoplasty尿道口成形术Urechis uniconctus单环刺螠虫ureterocystoplasty输尿管膀胱扩大术Ureteral operation输尿管手术ureteropyelectasis输尿管肾盂扩张ureterovesicostomy输尿管膀胱吻合术