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Body Systems - 7th Grade: Rectum

Encyclopedia Britannica: Rectum

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        Rectum is the part of the gastrointestinal tract that continues from the sigmoid colon of the large intestine to the anal canal and has a thick muscular layer. It follows the curvature of the sacrum and is firmly attached to it by connective tissue.

      The rectum is about 12 cm long and ends about 5 cm below the tip of the coccyx, at the beginning of the anal canal. Read more...

Function of the Rectum

Function of the Rectum

       Rectum is the last portion of the large intestine is called the rectum. This is where the waste materials in the form of stool is stored till it is excreted out from the anus. It consists of a thick mucosal lining and is supplied with many blood vessels.

      The rectum receives fecal matter from the sigmoid colon and stores it till it is excreted away via the anus, the last part of the digestive system.

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