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Digestive System

Digestive System. Rectum and Anus Area. The Rectum. A chamber begins at the end of the large intestine, immediately following the sigmoid colon ends at the anus. Warehouse for poop. Shelves - transverse folds. help keep stool in place until you're ready to go to the bathroom.

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Digestive System

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  1. Digestive System Rectum and Anus Area

  2. The Rectum • A chamber • begins at the end of the large intestine, • immediately following the sigmoid colon • ends at the anus. • Warehouse for poop. • Shelves - transverse folds. • help keep stool in place until you're ready to go to the bathroom. • When you're ready, stool enters the lower rectum • moves into the anal canal • passes through the anus on its way out.

  3. Locations…

  4. The Anus • The anus is the opening at the far end of the digestive tract through which stool leaves the body. • Formed of • surface layers of the body • including the skin, and partly from the intestine. • Lined with a continuation of the external skin. • A muscular ring (anal sphincter) keeps the anus closed until the person has a bowel movement.

  5. Disorders of the anus: Anal fissures Hemorrhoids Anal polyps Disorders of the Rectum: Bleeding per rectum Tenesmus Constipation Diarrhea Rectal Pain Hemorrhoids Signs: Blood in waste/toilet paper Anal itching or swelling Anal lump Feeling of rectal fullness Symptoms Disorders

  6. Works Cited • http://www.merck.com/mmhe/sec09/ch118/ch118i.html • http://coloncancer.about.com/od/faqs/f/Rectum.htm • http://www.gesa.org.au/digestive-system/anus.cfm

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