The peritoneal cavity is the space inside the smooth membrane that lines the abdomen (peritoneal membrane, or peritoneum). The organs of the abdomen and pelvis, such as the stomach and large intestine, are contained in the peritoneal cavity.
Last Revised: September 15, 2011
Author: Healthwise Staff
Medical Review: Anne C. Poinier, MD - Internal Medicine & Mitchell H. Rosner, MD - Nephrology
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