Category:Pleuroperitoneum

Pleu`ro*per`i*to*ne"um, n. Etym: [pleuro- + peritoneum.] (anat.)

Defn: the pleural and peritoneal membranes, or the membrane lining The body cavity and covering the surface of the inclosed viscera; the Peritoneum; -- used especially in the case of those animals in which The body cavity is not divided.

Note: peritoneum is now often used in the sense of pleuroperitoneum, The pleuræ being regarded as a part of the peritoneum, when the body Cavity is undivided.