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

April 18, 2015
wimple Hear it
to veil, ripple, or meander
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears