part_of part of part of has part has part has_part existence starts during or after material entity material entity anatomical structure organ organogenesis stage anatomical system OpenCyc:Mx4rCWM0QCtDEdyAAADggVbxzQ organ system uberon FBbt:00004856 FMA:7149 UMLS:C0460002 AAO:0000007 MA:0000003 connected anatomical system galen:AnatomicalSystem NCIT:C12919 system anatomical systems EHDAA:392 CARO:0000011 WBbt:0005746 TAO:0001439 ZFA:0001439 HAO:0000011 UBERON:0000467 body system TGMA:0001831 BSA:0000049 EV:0100000 AEO:0000011 CALOHA:TS-2088 BILA:0000011 EMAPA:16103 Multicellular, connected anatomical structure that has multiple organs as parts and whose parts work together to achieve some shared function. SCTID:278195005 Wikipedia:Organ_system VHOG:0001725 WBbt:0005763 EHDAA2:0003011 BIRNLEX:14 XAO:0003002 multicellular organism