sigmoid flexure

noun

Zoology. an S-shaped curve in a body part.

Also called sigmoid colon. an S-shaped curve of the large intestine between the descending colon and the rectum.

Origin of sigmoid flexure

First recorded in 1780–90

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sigmoid colon

sigmoid colon

noun

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

sigmoid flexure

noun

zoology an S-shaped curve, as in the necks of certain birds

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

n.

sigmoid flexure

n.

The S-shaped section of the colon between the pelvic brim and the third sacral segment, continuous with the rectum.sigmoid colon