anuses

名词 anus:

1. excretory opening at the end of the alimentary canal
   同义词：anus, arse, arsehole, asshole

1. The absence or closure of a normal body orifice or tubular passage such as the anus, intestine, or external ear canal.
   (先天性)闭锁，无孔正常的身体孔或管道，如肛门、肠或外耳道的缺失或闭合