(AY-nus) 
The opening of the rectum to the outside of the body.
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Figure
Anatomy of the lower gastrointestinal (digestive) system showing the colon, rectum, and anus. Other organs that make up the digestive system are also shown.
(AY-nus)
The opening of the rectum to the outside of the body.
Anatomy of the lower gastrointestinal (digestive) system showing the colon, rectum, and anus. Other organs that make up the digestive system are also shown.