The terminal hindgut forms the upper portion of the anal canal. 末端后腸形成肛管的上部。
Peristalsis in the large intestine pushes waste toward the anal canal and is important in removing gas and dislodging potential bacterial colonies. 大腸內的蠕動將糞便推入肛管,在排出結腸內的氣體及抑制細菌生長方面發揮十分重要的作用。