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Medical Term:

sigmoid colon


the part of the colon describing an S-shaped curve between the pelvic brim and the third sacral segment; it is continuous with the rectum.

Synonym(s): colon sigmoideumTA, colon pelvinum, flexura sigmoidea, sigmoid flexure

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.