urology. consultation with a urologist. medical research team studying and prescription drug. bladder anatomy and prostate gland. - 尿道 幅插畫檔、美工圖案、卡通及圖標失禁, 陽痿, 尿液
bladder with urine. infection and inflammation of urine. virus and bacteria. bacterial infection. - 尿道 幅插畫檔、美工圖案、卡通及圖標膀胱, 泌尿系統, 尿液