part_of part of part of only in taxon only_in_taxon connects connects Chordata peritoneal cavity pleural cavity epithelial tube embryonic tissue pleuroperitoneal canal UBERON:0006279 uberon Each of the canals that links the peritoneal cavity and the caudal part of a pleural cavity. EHDAA:4128 EMAPA:17704 VHOG:0001505 EMAPA:17707 EHDAA2:0001481 SCTID:361413002 coelom