sigmoid flexure

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sigmoid flexure

n
(Zoology) zoology an S-shaped curve, as in the necks of certain birds
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sig′moid flex′ure


n.
1. an S-shaped curve in a body part.
2. Also called sig′moid co′lon. the S-shaped curve of the large intestine where the descending colon joins the rectum in humans.
[1780–90]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sigmoid flexure - the s-shaped curve between the descending colon and the rectum
sigmoid colon
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
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References in periodicals archive
Frequently the calculi get lodged between the ischial arch and sigmoid flexure and in few cases may obstruct at the neck of urinary bladder (Tyagi and Singh, 2015).
Surgical Management of Urolithiasis in a Calf
Uroliths were observed in the penile urethra near the sigmoid flexure (Figure 1C).
Urolithiasis with uroperitoneum and hydronephrosis in grazing cattlein Southern Brazil/Urolitiase com uroperitonio e hidronefrose em bovinos a campo no sul do Rio Grande do Sul
Sigmoid is too snakelike, and the phrase it gives its name to, sigmoid flexure, refers to "the contracted and crooked part of the colon immediately above the rectum," according to Merriam-Webster.
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