transformation of luminal space of immaterial entity anatomical entity anatomical entity coelemic cavity lumen 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. UBERON:0002323 body cavity UBERON:0000169 space of body compartment coelom uberon FMA:85006 Anatomical space, part of the trunk that contains the pericardial and pleuroperitoneal cavities[ZFA]. ZFA: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[BTO]. SCTID:361348008 RETIRED_EHDAA2:0003186 TAO:0001438 BTO:0001707 galen:BodyCavity ventral body cavity check the FMA placement here; ncit placement of body cavity here probably not correct UMLS:C0333343 AEO:0000186 NCIT:C25444 main body cavity hemocoel coelomic cavity lumen In mammals it forms the peritoneal, pleural, and pericardial cavities celom coelome coelomic cavity FBbt:00005060 EHDAA2:0000267 anatomical cavity future coelemic cavity lumen coelom