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Peritoneal sample

Peritoneal sample

Overview

The peritoneum is the membrane lining the abdominal cavity.

Review Date 3/5/2020

Updated by: Debra G. Wechter, MD, FACS, general surgery practice specializing in breast cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.