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

May 05, 2015
epigram Hear it
a short and clever poem or saying
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