sigmoid colon

(redirected from Colon, sigmoid)
Also found in: Thesaurus, Medical, Encyclopedia.

sigmoid colon

n.
An S-shaped section of the colon between the descending section and the rectum. Also called sigmoid flexure.

sigmoid colon

n
(Anatomy) the S-shaped bend in the final portion of the large intestine that leads to the rectum. Also called: sigmoid flexure
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sigmoid colon - the s-shaped curve between the descending colon and the rectum
large intestine - beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces
colon - the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted
References in periodicals archive ?
The endoscopist scored the right colon (the cecum and ascending colon), transverse colon (hepatic and splenic fexures), and the left colon (descending colon, sigmoid colon and rectum) separately.
In congenital anomalous fixation of the colon, sigmoid colon is long and redundant, mesocolon is long and narrow at its parietal attachments.
He found that almost half of the transverse colon, descending 2/3rd colon, sigmoid colon and rectum were dilated as a result of the disease.