sigmoid colon


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sigmoid colon

n.
An S-shaped section of the colon between the descending section and the rectum. Also called sigmoid flexure.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Meanwhile, acute inflamed, friable mucosal changes were noticed from the sigmoid colon [Figure 1]a to the proximal descending colon [Figure 1]b.
It also demonstrated an ulcer in the sigmoid colon which was biopsied (Figure 2).
Colonoscopy identified a type 2 tumor in the sigmoid colon and a biopsy specimen from the tumor histopathologically showed a moderately differentiated adenocarcinoma.
At our resource limited institution, the majority of colostomy formations were of the loop type using the sigmoid colon. Various investigators (3,15,16) have recommended a divided colostomy at the junction of the descending and the sigmoid colon because of many advantages such as manageable small stoma with minimal chances of prolapse; distal loop faecal impaction is eliminated.
Injury to the sigmoid colon is a known complication of left oophorectomy.
Sigmoid Colon was the most common site of involvement in 51 (86%) patients.
Barium enema showed a dilated long segment of the sigmoid colon, suggestive of Hirschsprung's disease.
Tumor locations were divided into cecum, ascending colon, transverse colon, descending colon, sigmoid colon, and rectum.
The most common sites of involvement are the sigmoid colon, the descending colon, and the ascending colon (in order of decreasing frequency).
Initially abdominal pain and diarrhoea predominate, with bloody diarrhoea marking a progression to colitis that typically involves the caecum, ascending or sigmoid colon. An amoeboma is suggested by pain and swelling in the right iliac fossa, or symptoms of bowel obstruction.
The patient returned to the ward and had an uneventful elective laparoscopic sigmoidectomy for a redundant sigmoid colon 3 days later.
A computed tomography (CT) scan of the abdomen and pelvis was performed which showed inflammatory changes at the junction of the descending and sigmoid colon with bilateral inguinal and periaortic adenopathy (Figure 1).