True diveiculum is:

Ans. B: Meckel's diveiculum Diveicula are classified as true and false. True diveicula are composed of all layers of the intestinal wall, whereas false diveicula are formed from the herniation of the mucosal and submucosal layers. Diveicula can be classified as intraluminal or extraluminal. Intraluminal diveicula and Meckel's diveiculum are congenital Extraluminal diveicula may be found in various anatomic locations and are referred to as duodenal, jejunal, ileal, or jejunoileal diveicula. Meckel's diveiculum is a congenital anomaly representing a persistent poion of the vitellointestinal duct. It can become ulcerated or cause intestinal obstruction. It is present in approximately 2% of the population, with males more frequently experiencing symptoms.