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January 5, 2017

Irish surgeon identifies �new� organ in digestive system

University of Limerick

LIMERICK, Ireland — An Irish surgeon and professor has identified an emerging area of science having reclassified part of the digestive system as an organ.

The mesentery, which connects the intestine to the abdomen, had for hundreds of years been considered a fragmented structure made up of multiple separate parts. However, research by Professor of Surgery at UL’s Graduate Entry Medical School, J Calvin Coffey, found the mesentery is one, continuous structure.

In a review published in the November issue of one of the top medical journals, The Lancet Gastroenterology & Hepatology, Coffey outlined the evidence for categorizing the mesentery as an organ.

“In the paper, which has been peer reviewed and assessed, we are now saying we have an organ in the body which hasn’t been acknowledged as such to date,” Coffey stated.

Better understanding and further scientific study of the mesentery could lead to less invasive surgeries, fewer complications, faster patient recovery and lower overall costs.

“When we approach it like every other organ … we can categorize abdominal disease in terms of this organ,” Coffey said. According to Coffey, mesenteric science is its own specific field of medical study in the same way as gastroenterology, neurology and coloproctology.

“This is relevant universally as it affects all of us. Up to now, there was no such field as mesenteric science. Now we have established anatomy and the structure. The next step is the function. If you understand the function you can identify abnormal function, and then you have disease. Put them all together and you have the field of mesenteric science … the basis for a whole new area of science,” Coffey said.

“During the initial research, we noticed in particular that the mesentery, which connects the gut to the body, was one continuous organ. Up to that, it was regarded as fragmented, present here, absent elsewhere and a very complex structure. The anatomic description that had been laid down over 100 years of anatomy was incorrect. This organ is far from fragmented and complex. It is simply one continuous structure,” Coffey explained.

Professor Coffey's research on the mesentery even prompted an update in the latest edition of one of the world’s best-known medical textbooks, Gray’s Anatomy.


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