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.
A fold of the peritoneum that connects the intestines to the dorsal abdominal wall, especially such a fold that envelops the jejunum and ileum. mesâ²enÂ·terâ²ic adj. The double layer of peritoneum which covers abdominal organs and suspends the small intestine south of the ligament of Treitzâi.e., the jejunum and the ileum.. The fan-shaped fold of peritoneum encircling the greater part of the small intestines (jejunum and ileum) and attaching it to the posterior abdominal wall at the root of the mesentery (radix mesenterii). Synonym(s): mesenterium.