Tissue
peritoneum Audio
per·i·to·ne·um [ per-i-tn-ee-uhm ]
Subclass of:
Abdominal Cavity; Serous Membrane
Etymology:
Greek peri = around + teinein = to stretch over or around
Definitions related to peritoneum:
  • A membrane of squamous EPITHELIAL CELLS, the mesothelial cells, covered by apical MICROVILLI that allow rapid absorption of fluid and particles in the PERITONEAL CAVITY. The peritoneum is divided into parietal and visceral components. The parietal peritoneum covers the inside of the ABDOMINAL WALL. The visceral peritoneum covers the intraperitoneal organs. The double-layered peritoneum forms the MESENTERY that suspends these organs from the abdominal wall.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • Endothelial lining of the abdominal cavity.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The membrane that lines the abdominal and pelvic cavities.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • The tissue that lines the abdominal wall and covers most of the organs in the abdomen.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • The tissue that lines the wall of the abdominal cavity, intestine, mesentery, and pelvic organs. It consists of the parietal peritoneum and the visceral peritoneum.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • Peritoneum, large membrane in the abdominal cavity that connects and supports internal organs. It is composed of many folds that pass between or around the various organs. Two folds are of primary importance: the omentum, which hangs in front of the stomach and intestine; and the mesentery, which...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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