'Pleuroperitoneum' definitions:

Definition of 'Pleuroperitoneum'

From: GCIDE
  • Pleuroperitoneum \Pleu`ro*per`i*to*ne"um\, n. [Pleuro- + peritoneum.] (Anat.) 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. [1913 Webster]
  • Note: Peritoneum is now often used in the sense of pleuroperitoneum, the pleur[ae] being regarded as a part of the peritoneum, when the body cavity is undivided. [1913 Webster]