2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Peritoneum \Per`i*to*ne"um\, n. [L. peritoneum, peritonaeum, Gr
?, ?, fr ? to stretch all around or over ? around + ? to
stretch.] (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. [Written also {periton[ae]um}.]
From WordNet r 1.6 [wn]:
peritoneum
n : a transparent membrane that lines the abdominal cavity in
mammals and covers most of the viscera
more about peritoneum
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