Word Study
Peritoneum
WORDNET DICTIONARY
Noun Peritoneum has 1 sense
- peritoneum(n = noun.body) Array - a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera; Array has particulars: mesentery, omentum
is a kind of serosa, serous membrane
Derived form adjective peritoneal1
CIDE DICTIONARY
Peritoneum, n. [L. peritoneum, peritonaeum, Gr. , , fr. to stretch all around or over; around + to stretch.].
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. [1913 Webster]
OXFORD DICTIONARY
Peritoneum, n. (pl. peritoneums or peritonea) the double serous membrane lining the cavity of the abdomen.
Derivative
peritoneal adj.
Etymology
LL f. Gk peritonaion (as PERI-, tonaion f. -tonos stretched)
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