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| The '''anus''', in ], is the external opening of the ]. It is controlled by ] ]s. ] are expelled from the body through the anus during the act of ], which is the primary function of the anus. | The '''anus''', in ], is the external opening of the ]. It is controlled by ] ]s. ] are expelled from the body through the anus during the act of ], which is the primary function of the anus. | ||
| See also ], ] | See also ], ], ] | ||
Revision as of 18:34, 15 March 2003
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.