2024年4月16日 · The peritoneal cavity can be divided into the greater and lesser peritoneal sacs. The greater sac comprises the majority of the peritoneal cavity. The lesser sac (also known as the omental bursa) is smaller and lies posterior to the stomach and lesser omentum. The greater sac is the larger portion of the peritoneal cavity.

2024年5月24日 · Gross anatomy. 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.. Boundaries

2022年8月6日 · Lesser sac is a smaller subdivision of the peritoneal cavity posterior to the stomach and liver and is continuous with the greater sac through an opening, called the epiploic foramen of Winslow. To understand the extent of the greater sac, it …

2025年1月27日 · Lesser Sac (Omental Bursa): A smaller, enclosed space located behind the stomach and the lesser omentum. Communicates with the greater sac through the epiploic foramen (Foramen of Winslow).

2023年11月3日 · There are two divisions of the peritoneal cavity: lesser sac (omental bursa) and greater sac. The omental bursa or lesser sac is found posterior to the stomach and liver, and anterior to the pancreas and duodenum. The function of the lesser sac is to provide space for unhindered movement of the stomach.

2023年10月30日 · The omental bursa or lesser sac is a hollow space that is formed by the greater and lesser omentum and its adjacent organs. It communicates with the greater sac via the epiploic foramen of winslow, which is known as the general cavity of the abdomen that sits within the peritoneum, but outside the lesser sac.

Comprehensive anatomy of the peritoneum and peritoneal cavity. Organization of spaces of the greater and lesser sacs, mesenteries, and peritoneal ligaments, anchoring the organs. Characterization of the functional anatomy of the small and large bowel mesenteries.

The lesser omentum is a double-layered peritoneal fold that connects the lesser curvature of the stomach and the proximal part of the duodenum to the liver. Posterior to the lesser omentum, there’s a space known as the lesser sac or omental bursa, and the rest of the peritoneal cavity is known as the greater sac.

2024年11月19日 · The greater and lesser omenta divide the peritoneal cavity into greater and lesser sacs, which are important anatomic spaces within the cavity. Organs located behind the posterior parietal peritoneum are known as retroperitoneal, while organs that protrude into the cavity and are fully covered by visceral peritoneum are known as intraperitoneal.

2025年1月20日 · The omental bursa is situated behind the stomach and the lesser omentum (a double layer of peritoneum extending from the liver to the lesser curvature of the stomach). It lies in front of the pancreas and posterior to the stomach, creating a large recess or …