peritoneum definition

  • noun:
    • The serous membrane layer that lines the wall space of the abdominal cavity and folds inward to enclose the viscera.
    • In animals, the serous membrane layer lining the hole associated with stomach which is folded across viscera.
    • In animals, the membrane layer lining the coelom cavity.
    • The smooth serous membrane layer which lines the hole of this abdomen, or even the body cavity if you have no diaphragm, and, turning straight back, surrounds the viscera, creating a closed, or nearly closed, sac.
    • The membrane layer coating the abdominal cavity and investing its viscera.
    • In brachiopods, an investment of this alimentary canal, through which the latter is suspended inside perivisceral cavity as by a mesentery.
    • In entomology, the external coating of the digestion tube of an insect.
    • a transparent membrane that lines the abdominal hole in animals and addresses the majority of the viscera

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