Peritonitis
Overview Peritonitis refers to inflammation of the peritoneum, which is the lining of the abdomen. Peritonitis is a really important clinical sign that refers to inflammation of the lining of the abdomen. The peritoneum is a serous membrane that essentially lines the abdominal cavity. It is composed of two layers and a potential space: Parietal peritoneum: lines the abdominal cavity. Boundaries are the pelvis inferiorly, retroperitoneal space posteriorly, diaphragm superiorly, and abdominal wall anteriorly Visceral peritoneum: wraps around the visceral (internal) organs located within the intraperitoneal space Peritoneal cavity: a potential space located between the parietal and visceral peritoneum. It contains