Pleuroperitoneal is a term denoting the pleural and peritoneal serous membranes or the cavities they line. It is divided from the pericardial cavity by the transverse septum. ...
• (a.) Of or pertaining to the pleural and peritoneal membranes or cavities, or to the pleuroperitoneum.
(ploor″o-per″ĭ-to-ne´әl) pertaining to the pleura and peritoneum.
Pleu`ro·per`i·to·ne'al adjective (Anat.) Of or pertaining to the pleural and peritoneal membranes or cavities, or to the pleuroperitoneum. 
Type: Term Pronunciation: plūr′ō-per′i-tō-nē′ăl Definitions: 1. Relating to both pleura and peritoneum.