After this lecture you will be able to:Afterthis lecture you will be able to: Accurately define and label thoracic lymph nodes to conform to the new. IASLC lymph node map. Recognize the differences between the new IASLC lymph node map and. old MDoldMD-ATS lymph node mapATSlymph node map.
The mesentery is a fold of membranous tissue that arises from the posterior wall of the peritoneal cavity and attaches to the intestinal tract.Within it are the arteries and veins that supply the intestine.uring mobilization of the small intestinal mesentery from the posterior abdominal wall, this fold is incised, allowing access to the interface between the small intestinal mesentery and the retroperitoneum.
the mesentery is the thin membrane that helps to hold the small intestine in place. There are a large number of blood vessels in the mesentery, which nourish the small intesti â¦ ne with their blood supply.he mesentery is a thin tissue containing blood vessels. Its  function is to protect and shelter the nerves and blood vessels  coming into the small intestines of the frog. Edit. Share to: Answered.