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Pronunciation: mez'o-ko'lon

Definition: The fold of peritoneum attaching the colon to the posterior abdominal wall; ascending mesocolon [TA] (mesocolon ascendens [TA]), transverse mesocolon [TA] (mesocolon transversum [TA]), descending mesocolon [TA] (mesocolon descendens [TA]), and sigmoid mesocolon [TA] (mesocolon sigmoideum [TA]) correspond to the respective divisions of the colon; the ascending and descending portions are usually fused to the peritoneum of the posterior abdominal wall, but can be mobilized.

[meso- + kolon, colon]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.