develops from develops from adjacent to adjacent to luminal space of parietal pleura visceral pleura pleural cavity http://upload.wikimedia.org/wikipedia/commons/a/ab/Gray965.png uberon EMAPA:16773 EMAPA:16774 UBERON:0002402 BTO:0004422 EHDAA2:0001475 FMA:9740 MESH:D035422 GAID:95 UMLS:C0178802 VHOG:0000581 SCTID:361999006 The fluid-filled cavity that lies between the visceral and parietal pleurae. MA:0000055 Wikipedia:Pleural_cavity NCIT:C12840 anatomical cavity intraembryonic coelom pleural sac serous cavity