Definitions for "Peritoneum"
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.
the serous membrane reflected over the viscera and lining the abdominal cavity.
membrane that lines the abdominal and pelvic cavities and covers most of their organs.