Transverse mesocolon

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Transverse mesocolon
Superior and inferior duodenal fossæ. (Transverse mesocolon visible at top center.)
Diagram showing the lines along which the peritoneum leaves the wall of the abdomen to invest the viscera. (Transverse mesocolon labeled at center right.)
Latin mesocolon sigmoideum
Gray's subject #246 1157
Dorlands/Elsevier m_10/12526435

The transverse mesocolon is a broad, meso-fold of peritoneum, which connects the transverse colon to the posterior wall of the abdomen.

It is continuous with the two posterior layers of the greater omentum, which, after separating to surround the transverse colon, join behind it, and are continued backward to the vertebral column, where they diverge in front of the anterior border of the pancreas.

This fold contains between its layers the vessels which supply the transverse colon.

Transverse mesocolon is a derivative of dorsal mesentery in the embryo.


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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.