Diagram showing colon rectum anus


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Colon and Rectum. ▫ Terminal portion of GI tract. ▫ Two functions. ▫ Absorption of water, electrolytes. ▫ Storage of feces. ▫ Biologically not essential.


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The rectum is a chamber that begins at the end of the large intestine, immediately following the sigmoid colon, and ends at the anus (see also Overview of the.

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Description: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. In a normal resting state, to keep stool in, the internal anal sphincter is contracted and the puborectalis muscle creates an angle in the rectum.

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Views: 4290 Date: 2018-09-29 Favorited: 96 favorites

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