소화관의 끝부분에 위치하여 대변을 몸 밖으로 배출하는 구멍.
The opening at the end of the alimentary canal through which solid waste matter leaves the body.
예문:
"The digestive system begins at the mouth and ends at the anus."
"The doctor examined the area around the patient's anus for signs of infection."
"Sphincter muscles control the opening and closing of the anus."