The mesentery, which connects the intestine to the stomach, was previously thought to be made up of lots of separate parts. But Irish surgeon Prof J Calvin Coffey discovered it was one single structure. He said his research, published in the Lancet Gastroenterology & Hepatology, could lead to a new area of science and better understanding of disease.
There are now 79 organs in the human body, and medical textbook Gray’s Anatomy has been updated to include the mesentery. But more scientific research is now needed to work out exactly what the organ does. Edited from: BBC News