<prompt> All of the statements are true about ileum EXCEPT:Smaller diameter than jejunum3-6 arcades in continuationLarge circular mucosal foldsLymph nodes in mesentery  <response>: ILEUM:- Circular mucosal folds are smaller ,fewer and thin walled. Ileum has narrower lumen, as compared with jejunum. There are 3 or 6 aerial arcades with no windows. Lymphatics drain into the lymph nodes in the mesentery and finally drain into superior mesenteric nodes. 