Rectum and anus

Many Americans have difficulty moving their bowels. Many things contribute to this problem, including diet and activity level. Other causes are unknown. The large bowel consists of the colon 5 feet long and the rectum 8 inches long.
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Digestive Tract: Rectal and Colon Diseases and Conditions

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Rectum, Anus, and Anal Sphincter

The rectum , which is a continuation of the sigmoid colon , begins in front of the midsacrum the sacrum is the triangular bone near the base of the spine and between the two hipbones. It ends in a dilated portion called the rectal ampulla, which in front is in contact with the rear surface of the prostate in the male and with the posterior vaginal wall in the female. Posteriorly, the rectal ampulla is in front of the tip of the coccyx the small bone at the very base of the spine. At the end of the pelvic colon, the mesocolon, the fold of peritoneum that attaches the colon to the rear wall of the abdomen and pelvis , ceases, and the rectum is then covered by peritoneum only at its sides and in front; lower down, the rectum gradually loses the covering on its sides until only the front is covered. About 7. Near the termination of the sigmoid colon and the beginning of the rectum, the colonic taeniae spread out to form a wide external longitudinal muscle coat.
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Anatomy and Embryology of the Colon, Rectum, and Anus

The anus is the opening at the end of the digestive tract where stool leaves the body. The rectum is the section of the digestive tract above the anus where stool is held before it passes out of the body through the anus. The anus is formed partly from the surface layers of the body, including the skin, and partly from the intestine.
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Your rectum and anus are the last stops in your digestive system. The solid waste left over when your food is digested by your body still has some water, but also other things like bacteria and fibre. When you go to the toilet, you get rid of waste sometimes called faeces or poo! All you need to do then is flush it away! To learn more, click on Find Out More!
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