 |
| Subject | English | Chinese |
| plast.surg. | anal sphincter | 肛门括约肌 |
| surg. | digital dilatation of anal sphincter | 肛括约肌手指扩张术 |
| anat. | external anal sphincter | 肛门外括约肌 (位于肛门周围，肛门内括约肌的外下方，按位置分为皮下部、浅部和深部，浅部和深部有较强的括约肛门作用。肛门外括约肌受肛神经支配) |
| sport., med. | external anal sphincter | 肛门外括约肌 |
| anat. | internal anal sphincter | 肛门内括约肌 (由肛管下部环行平滑肌增厚而成，有协助排便的作用,但几乎无括约肛门的功能) |