recto-urethral muscle

例句：

1. 1.The recto-urethral muscle is responsible for controlling the flow of urine.
   直肠肌肉负责控制尿液的流动。
2. 2.During childbirth, the recto-urethral muscle plays a crucial role in regulating the birth process.
   分娩期间，直肠肌肉在调节分娩过程方面起着至关重要的作用。
3. 3. A hernia can occur when the recto-urethral muscle weakens, leading to an uncontrolled prolapse of the abdominal wall.
   当直肠肌肉弱化时，可能发生疝气，导致腹部壁无法控制地突出。