MRCP UK EXAMINATIONS

Detailed explanation-1: -The omental bursa or lesser sac is a hollow space that is formed by the greater and lesser omentum and its adjacent organs.

Detailed explanation-2: -Peritoneal Cavity The lesser omentum lies between the stomach and proximal duodenum and the liver. Dorsal (posterior) to the lesser omentum and stomach and within the double folds of the greater omentum lies the lesser omental sac.

Detailed explanation-3: -The pancreas is a retroperitoneal structure located behind the stomach and lesser omentum; it is composed of four anatomic regions: head, neck, body, and tail. The head lies medial to the C-loop of the duodenum. The neck lies anterior to the mesenteric vessels and portal vein.

Detailed explanation-4: -The lesser sac may be conceptualized as the space posterior to the lesser omentum, between the posterior wall of the stomach and the surface of the peritoneum that covers the anterior surface of the left kidney 1. The epiploic foramen (of Winslow) is the only natural communication between greater and lesser sacs 3.

Detailed explanation-5: -The lesser sac, also known as the omental bursa, is a part of the peritoneal cavity that is formed by the lesser and greater omentum. Usually found in mammals, it is connected with the greater sac via the omental foramen or Foramen of Winslow.