소변이 체내 밖으로 나오는 길을 요로라고 부르는데 요로는 상부요로와 하부요로로 나뉘며 주로 하부요로에 문제가 있을 때 배뇨 장애를 겪게 된다.
The pathway of urine out of the body is called the urinary tract, which is divided into upper and lower urinary tracts, and people suffer from dysuria usually when there is a problem with the lower urinary tract.