Medical Term:


Pronunciation: mez′ō-kō′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]