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| bodily outgrowth or process |
| last portion of the colon |
| sigmoid colon | |
| —n | |
| Also called: sigmoid flexure the S-shaped bend in the final portion of the large intestine that leads to the rectum | |
sigmoid colon n.
See sigmoid flexure.
sigmoid flexure n.
The S-shaped section of the colon between the pelvic brim and the third sacral segment, continuous with the rectum. Also called sigmoid colon.