Proctalgia Fugax and Anal Pain | | Patient - anus rectum diagram

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SEER Training: Anatomy of Colon and Rectum anus rectum diagram


About The Rectum and The Anus. From the colon, the stool moves into the rectum. Once or twice a day, stool comes in from the colon, and the rectum stretches to store it. As the amount of stool in the rectum increases, the person feels the urge to go to the bathroom.

The anus is the opening where the gastrointestinal tract ends and exits the body. The anus starts at the bottom of the rectum, the last portion of the colon (large intestine). The anorectal line.

Mar 19, 2015 · The rectum is the concluding part of the large intestine that terminates in the anus. The average length of the human rectum may range between 10 and 15 cm.

The Rectum. The rectum is the lower end of the digestive system, the tubular-shaped sack located behind the anus and extending back to the sigmoid colon. In most people, the rectum is between four and six inches deep. Its primary purpose is to serve as a holding chamber for feces just prior to its evacuation from your body.