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sigmoid colon
This term is a precise anatomical designation used primarily in medical, surgical, and pathological contexts. It describes a specific segment of the large intestine characterized by its S-shaped curvature, which serves to buffer the transition of waste into the rectum.
In clinical settings, the term is frequently associated with specific procedures such as a sigmoidectomy or the placement of a sigmoidostomy. Because it is a specific anatomical structure, it is treated as a singular entity in medical discourse, though it can be referred to in the plural when discussing comparative anatomy across different subjects.
Meanings
Examples
The sigmoid colon is the final section of the colon before the rectum.
The doctor found a small polyp in the sigmoid colon during the procedure.
I wonder if the inflammation is limited to the sigmoid colon.
We need to perform a resection of the sigmoid colon to remove the tumor.
Does the pain originate from the sigmoid colon or the descending colon?
Diverticulitis most commonly occurs in the sigmoid colon.
The scope passed easily through the sigmoid colon.
The patient has a stricture in the sigmoid colon causing a blockage.