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peritoneum

play
noun, peri·to·ne·um \ˌper-ə-tə-ˈnē-əm\

Definition of peritoneum

plural peritoneumsplay \-ˈnē-əmz\ or -nea \-ˈnē-ə\

  1. :  the smooth transparent serous membrane that lines the cavity of the abdomen of a mammal and is folded inward over the abdominal and pelvic viscera

peritoneal play \-ˈnē-əl\ adjective
peritoneally play \-ə-lē\ adverb


Origin of peritoneum

Middle English, from Late Latin, from Greek peritonaion, neuter of peritonaios stretched around, from peri- + teinein to stretch — more at thin


First Known Use: 15th century


Medical Dictionary

peritoneum

noun peri·to·ne·um

Medical Definition of peritoneum

plural peritoneums or chiefly British peritonaeums \-ˈē-əmz\play or peritonea or chiefly British peritonaea \-ˈē-ə\play

  1. :  the smooth transparent serous membrane that lines the cavity of the abdomen of a mammal, is folded inward over the abdominal and pelvic viscera, and consists of an outer layer closely adherent to the walls of the abdomen and an inner layer that folds to invest the viscera—see parietal peritoneum, visceral peritoneum; compare mesentery 1



Variants of peritoneum

or chiefly British peritonaeum \ˌper-ət-ən-ˈē-əm\play

Learn More about peritoneum


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