transformation of luminal space of coelemic cavity lumen AEO:0000186 Anatomical space, part of the trunk that contains the pericardial and pleuroperitoneal cavities[ZFA]. BTO:0001707 EHDAA2:0000267 FBbt:00005060 FMA:85006 In mammals it forms the peritoneal, pleural, and pericardial cavities RETIRED_EHDAA2:0003186 TAO:0001438 The cavity within the body of all animals higher than the coelenterates and certain primitive worms, formed by the splitting of the embryonic mesoderm into two layers. In mammals it forms the peritoneal, pleural, and pericardial cavities. The cavity within the body of all animals higher than the coelenterates and certain primitive worms, formed by the splitting of the embryonic mesoderm into two layers. In mammals it forms the peritoneal, pleural, and pericardial cavities[BTO]. UBERON:0000169 UBERON:0002323 UMLS:C0333343 ZFA:0001438 body cavity celom check the FMA placement here; ncit placement of body cavity here probably not correct coelom coelome coelomic cavity coelomic cavity lumen galen:BodyCavity hemocoel main body cavity space of body compartment uberon ventral body cavity anatomical cavity future coelemic cavity lumen coelom