uret[医] 氮氧甲基ure抱朴说ureteral catheter输尿管导管ureteral neoplasm输尿管肿瘤urethrotrigonitis尿道膀胱三角炎urethane acrylate聚氨酯丙烯酸酯urense active.s尿素酶活性ureotelic animals排尿素的动物uremic neuropathy尿毒症神经病Ureteral stenosis输尿管梗阻uremic stomatitis尿毒症口炎ureidoformic acid脲基甲酸