Omental bursa

Omental Bursa is a anatomical structure located in the abdomen, specifically within the peritoneal cavity. It is also known as the lesser sac and is the smaller part of the peritoneal cavity. The omental bursa plays a significant role in the human digestive system.

Anatomy

The omental bursa is situated behind the stomach and the lesser omentum, a double layer of peritoneum that extends from the liver to the lesser curvature of the stomach. It is bounded anteriorly by the stomach and the lesser omentum, and posteriorly by the pancreas and the transverse colon. The omental bursa communicates with the greater peritoneal cavity via the epiploic foramen, also known as the foramen of Winslow.

Function

The primary function of the omental bursa is to allow smooth movement of the stomach and other digestive organs within the peritoneal cavity. It also serves as a site for the accumulation of inflammatory exudates, infection, and malignant cells, which can be clinically significant.

Clinical Significance

The omental bursa can be involved in various pathological conditions. For instance, it can be the site of peritoneal carcinomatosis, a type of cancer that spreads along the peritoneum. It can also be affected in cases of peritonitis, an inflammation of the peritoneum, and ascites, the accumulation of fluid in the peritoneal cavity. In addition, the omental bursa can be used in surgical procedures, such as omentopexy, where it is sutured to other tissues to promote healing and adhesion.

See Also

• Peritoneum
• Lesser omentum
• Epiploic foramen
• Omentopexy