The space enclosed by the peritoneum. It is divided into two portions, the greater sac and the lesser sac or omental bursa, which lies behind the stomach. The two sacs are connected by the foramen of Winslow, or epiploic foramen.
The abdominal cavity.
A space between the layers of the peritoneum, containing the major organs of the abdomen.
The space between the parietal and visceral layers of the peritoneum, used in peritoneal dialysis.
The potential space between the parietal peritoneum, which lines the abdominal wall, and the visceral peritoneum, which forms the surface layer of the visceral organs. It contains serous fluid.
The possible gap between the membrane that wraps around specific abdominal organs and the membrane that lines the interior of the abdominal cavity.