Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The serous membrane that lines the walls of the abdominal cavity and folds inward to enclose the viscera.

from The Century Dictionary.

  • noun The membrane lining the abdominal cavity and investing its viscera.
  • noun In brachiopods, an investment of the alimentary canal, by which the latter is suspended in the perivisceral cavity as by a mesentery.
  • noun In entomology, the outer coat of the digestive tube of an insect.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy In mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.
  • noun zoology In animals, the membrane lining the coelom cavity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Late Latin peritonaeum, from Greek peritonaion, from peritonaios, stretched across, from peritonos, stretched around : peri-, peri- + teinein, to stretch; see ten- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

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

Examples

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

  • The peritoneum is the mesothelial tissue that covers most of the organs in the abdominal cavity.

    Balkinization

Comments

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  • "Here is Virgil ... who probably preferred a lad's peritonium."

    - Nabokov

    March 1, 2011