Sigmoid Flexure Definition
    noun
  
 The last curving part of the colon, ending in the rectum.
 Webster's New World 
An S-shaped curve.
 Webster's New World 
Synonyms: 
  Other Word Forms of Sigmoid Flexure
Noun
Singular:
 sigmoid flexurePlural:
 sigmoid flexuresSigmoid Flexure Is Also Mentioned In
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