Scientists recently discovered what they are calling a new human organ that exists in the digestive system. Named the mesentery, the organ was previously thought to consist of fragmented and disparate structures. The mesentery is a double fold of the peritoneum, which is the lining of the abdominal cavity.
What is the role of the mesentery?
Mesentery: In general, a fold of tissue that attaches organs to the body wall. The word mesentery usually refers to the small bowel mesentery, which anchors the small intestines to the back of the abdominal wall. Blood vessels, nerves, and lymphatics branch through the mesentery to supply the intestine.
Where is the mesentery attached to?
Mesentery Proper. The mesentery of the small intestine is a large and broad fan-shaped mesentery that is attached to the jejunum and ileum of the small intestine, connecting them to the posterior abdominal wall.