GASTROLAB / SCIENCE PHOTO LIBRARY GASTROLAB / SCIENCE PHOTO LIBRARY
Healthy colon. Endoscopic view of a healthy transverse colon, showing the high number of blood vessels, and ring-like muscular wall, characteristic of this part of the intestine. The transverse colon is the longest part of the large intestine and lies horizontally across the abdomen, curving under the liver and stomach. It connects to the ascending colon on the right side of the body, and the descending colon on the left. The colon is mainly responsible for extracting water and salt from solid wastes before they are eliminated from the body.
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