Peritoneum Definition

perətənēəm
peritoneum, peritonea, peritoneums
noun
The transparent serous membrane lining the abdominal cavity and reflected inward at various places to cover the visceral organs.
Webster's New World

Other Word Forms of Peritoneum

Noun

Singular:
peritoneum
Plural:
peritonea, peritoneums

Origin of Peritoneum

  • Middle English from Late Latin peritonaeum from Greek peritonaion from peritonaios stretched across from peritonos stretched around peri- peri- teinein to stretch ten- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek περί- (peri, “around") + τόνος (tonos, “stretch") + -αιος (-aios, “suffix to form an adjective").

    From Wiktionary

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peritoneum