Answer:
The function of the mesentery is to hold the internal organs in place with thin sheets of tissue. It also supplies them with blood supply and nervous input. It extends from the abdominal wall and attaches the small intestines and other organs to the wall.
And for humans 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.
