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Peritoneal fluid sampling

Peritoneal fluid sampling

Overview

The peritoneum is the membrane lining the abdominal cavity.

Review Date 1/10/2026

Updated by: Frank D. Brodkey, MD, FCCM, Associate Professor, Section of Pulmonary and Critical Care Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.