The sigmoid colon is the last section of the bowel — the part that attaches to the rectum. It pushes feces along the bowel tract. It’s about a foot and a half long (around 40 centimeters) and is ...

A sigmoid septum occurs when part of the heart muscle expands and blocks a pathway blood uses to leave the heart’s left side. It often does not cause symptoms and has links to aging. The heart ...

Americans are most likely to develop diverticula in the sigmoid colon, or the lower section of the large intestine that is closest to the rectum. As a result, the sigmoid colon also happens to be the ...

A colonoscopy technique involving repeat intubation of the sigmoid colon significantly improves detection of adenomas compared with conventional colonoscopy evaluations, new research showed. “After ...