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Peritoneal sample

Peritoneal sample

Overview

The peritoneum is the membrane lining the abdominal cavity.

Review Date 5/6/2022

Updated by: Michael M. Phillips, MD, Emeritus Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.