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Revision as of 15:43, 25 February 2002 by Conversion script (talk | contribs) (Automated conversion)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)The anus, in anatomy, is the external opening of the rectum. It is controlled by sphincter muscles. Faeces are expelled from the body through the anus during the act of defecation, which is the primary function of the anus.
See also anal sex.