anus

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structures of the human large intestine, rectum, and anus

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anus

anatomy

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Written and fact-checked by The Editors of Encyclopaedia Britannica

Last Updated: Feb 22, 2024 • Article History

structures of the human large intestine, rectum, and anus

structures of the human large intestine, rectum, and anus

Category: Science & Tech

Related Topics:: defecation; hemorrhoid; internal anal sphincter; anal sphincter; external anal sphincter

anus, terminal opening of the anal canal, the portion of the digestive tract through which fecal material is excreted. See also rectum.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Rick Livingston.