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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.
(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
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|Noun||1.||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
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