Sigmoidoscopy Health Video
Your colon is the last part of your digestive system, where water and salt are removed, leaving solid waste before elimination. Sigmoidoscopy is a diagnostic and screening procedure to look at the lower parts of the colon.
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Constipation
The final stages of food digestion take place in the large intestine or colon. After nourishment is extracted from what we eat, the leftover waste material mixed with water flows from the small intestine into the colon.
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