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URL of this page: //medlineplus.gov/ency/imagepages/8715.htm
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.