방광에서 소변을 몸 밖으로 배출하는 관이며, 남성에게는 정액의 배출 통로가 되기도 하는 기관.
The duct by which urine is conveyed out of the body from the bladder, and which in male vertebrates also conveys semen.
예문:
"The doctor explained that the infection had spread from the bladder to the urethra."
"In human anatomy, the male urethra is significantly longer than that of the female."
"A blockage in the urethra can lead to serious kidney complications if left untreated."