umls-concept:C0031154 | skos:definition | MSH: INFLAMMATION of the PERITONEUM lining the ABDOMINAL CAVITY as the result of infectious, autoimmune, or chemical processes. Primary peritonitis is due to infection of the PERITONEAL CAVITY via hematogenous or lymphatic spread and without intra-abdominal source. Secondary peritonitis arises from the ABDOMINAL CAVITY itself through RUPTURE or ABSCESS of intra-abdominal organs.,CSP: inflammation of the peritoneum, a condition marked by exudations in the peritoneum of serum, fibrin, cells, and pus.,CHV: inflammation of the thin membrane surrounding abdominal cavity, called peritoneum,NCI: Inflammation of the peritoneum (tissue that lines the abdominal wall and covers most of the organs in the abdomen). Peritonitis can result from infection, injury, or certain diseases. Symptoms may include swelling of the abdomen, severe pain, and weight loss.,NCI: Inflammation of the peritoneum due to infection by bacteria or fungi. Causes include liver disease, perforation of the gastrointestinal tract or biliary tract, and | lld:umls |