The main routes by which bacteria enter the peritoneal cavity are from the gastro-intestinal (GI) tract and from externally. '''Penetrating wounds''' to the abdomen and the introduction of '''foreign bodies''' are likely to introduce bacteria. | The main routes by which bacteria enter the peritoneal cavity are from the gastro-intestinal (GI) tract and from externally. '''Penetrating wounds''' to the abdomen and the introduction of '''foreign bodies''' are likely to introduce bacteria. |