Lesser Sac Anatomy

Usually found in mammals it is connected with the greater sac via the omental foramen previously known as the foramen of winslow. The lesser sac also known as the omental bursa is smaller and lies posterior to the stomach and lesser omentum.

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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.

Lesser sac anatomy. Greater sac the greater sac is the larger portion of the peritoneal cavity. It allows expansion and mobility of stomach. What are the partssubdivisions of lesser sac.

The lesser sac or omental bursa is a potential peritoneal space within abdomen part of the peritoneal cavity. The omental bursa or lesser sac is a hollow space that is formed by the greater and lesser omentum and its adjacent organs. Anatomy of the lesser sac the peritoneal cavity is the largest serous cavity of the body consisting of parietal and viscer al layers that act as an interface between t he peritoneal cavity and the.

It may be conceptualized as the space posterior to the lesser omentum between the posterior wall of the stomach and surface of peritoneum which covers the anterior surface of the left kidney. Anatomical terminology edit on wikidata the lesser sac also known as the omental bursa is the cavity in the abdomen that is formed by the lesser and greater omentum. It allows expansion and mobility of stomach.

It may be conceptualized as the space posterior to the lesser omentum between the posterior wall of the stomach and surface of peritoneum which covers the anterior surface of the left kidney. In human anatomy the greater sac also known as the general cavity of the abdomen or peritoneum of the peritoneal cavity proper is the cavity in the abdomen that is inside the peritoneum but outside the lesser sac. Fluid collections in the lesser sac include ascites exudate bile and blood 4 27.

Under normal circumstances the lesser sac is empty and collapsed. The lesser sac ls is divided into two compartments by a peritoneal fold white arrow enclosing the left gastric artery as it passes from the posterior abdominal wall to reach the lesser curvature of the stomach st. Only certain parts of its boundaries such as the posterior gastric wall and pancreatic body are observed at ct.

The lesser sac or omental bursa is a potential peritoneal space within abdomen part of the peritoneal cavity. Lesser sac is the smaller part of the peritoneal cavity that lies behind the stomach and lesser omentum.

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