Membrana abdominis

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membrana abdominis --> peritoneum

(Science: anatomy) 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.

Alternative forms: peritonaeum.

Origin: L. Peritoneum, peritonaeum, Gr, fr. To stretch all around or over; around _ to stretch.