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.
Found This Helpful. pixologicstudio/iStock/Getty Images. The mesentery is a layer of body tissue that attaches organs to the body. In humans, it specifically refers to tissue that joins parts of the small intestine to the back of the abdominal cavity.omposed of two layers of the membrane peritoneum, mesenteric tissue has sack-like folds that support organs and yet allow them freedom of movement. This arrangement keeps internal organs in place while allowing a body to move around without disturbing the organs.