pleuroperitoneum
/ˌplʊərə(ʊ)ˌpɛrɪtəˈniːəm/ /ˌplɔːrə(ʊ)ˌpɛrɪtəˈniːəm/Chiefly Zoology
noun
The serous membrane lining the body cavity of vertebrates other than mammals, and that of mammal embryos.
Origin
Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From pleuro- + peritoneum.