Dictionary

sigmoid colon

noun

Definition of SIGMOID COLON

:  the contracted and crooked part of the colon immediately above the rectum —called also sigmoid flexure
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First Known Use of SIGMOID COLON

1896
Medical Dictionary

sigmoid colon

noun

Medical Definition of SIGMOID COLON

:  the contracted and crooked part of the colon immediately above the rectum—called also pelvic colon, sigmoid flexure

Illustration of SIGMOID COLON

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