Structure of the Peritoneum and Peritoneal Cavity Diagram
Structure of the Peritoneum and Peritoneal Cavity Diagram

Structure of the Peritoneum and Peritoneal Cavity Diagram

The peritoneum and peritoneal cavity structure includes parietal peritoneum (lining abdominal/pelvic walls) and visceral peritoneum (covering organs). The greater sac is the main cavity; lesser sac (omental bursa) lies behind stomach, communicates via epiploic foramen. Mesenteries, omenta, ligaments suspend organs; fluid collects in recesses (subphrenic, subhepatic, paracolic gutters).