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Browse the Medical Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

sigmoid colon

Main Entry:: sigmoid colon
Function:: noun

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

[sigmoid colon illustration]

Learn more about "sigmoid colon" and related topics at Britannica.com

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