General Anatomy of the Mesentery

Christina A. Fleming, Dara Walsh, J. Calvin Coffey

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

The mesentery is a single and continuous organ. All abdominal digestive organs are directly connected to the mesenteric frame, which in turn collectively connects the abdominal digestive system to the body. It has a defined arterial inflow (via the coeliac trunk and superior and inferior mesenteric arteries) and venous drainage (at hepatic veins). Once the arterial trunks enter the mesentery they subdivide into major branches that remain intra-mesenteric until target organs are reached. The entirety of the portal venous system is intra-mesenteric in location. Mesenteric continuity and contiguity with abdominal digestive organs enables us subdivide the abdomen into mesenteric and non-mesenteric domains. This model (the mesenteric model) reconciles anatomical, embryological, surgical and radiological approaches to the abdomen. It explains how all abdominal digestive organs are centrally connected and it explains the peritoneal landscape.

Original languageEnglish
Title of host publicationThe Mesenteric Organ in Health and Disease
PublisherSpringer International Publishing
Pages15-24
Number of pages10
ISBN (Electronic)9783030719630
ISBN (Print)9783030719623
DOIs
Publication statusPublished - 1 Jan 2021

Keywords

  • Abdomen
  • Anatomy
  • Continuity
  • Mesentery
  • Model

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