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sigmoid flexure

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noun
  1. Zoology. an S-shaped curve in a body part.
  2. Also called sigmoid colon. an S-shaped curve of the large intestine between the descending colon and the rectum.
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Origin of sigmoid flexure

First recorded in 1780–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for sigmoid colon

sigmoid colon

noun
  1. the S-shaped bend in the final portion of the large intestine that leads to the rectumAlso called: sigmoid flexure
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sigmoid flexure

noun
  1. zoology an S-shaped curve, as in the necks of certain birds
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sigmoid colon in Medicine

sigmoid colon

sigmoid flexure