artery MA:0000064 arterial subtree MIAA:0000034 BTO:0000573 XAO:0000114 UBERON:0001637 uberon MAT:0000034 arterial system NCIT:C12372 EFO:0000814 arteries EHDAA2:0003253 UMLS:C0003842 Wikipedia:Artery EHDAA2:0000143 FMA:50720 EV:0100026 arterial vessel galen:Artery Part of the circulatory system composed of blood vessels which carry oxygenated blood away from the heart to the rest of the body.[AAO] SCTID:362877004 EMAPA:35147 arterial MESH:D001158 An epithelial tube or tree of tibes that transports blood away from the heart[modified from AEO definition]. CALOHA:TS-0054 The appearance of Chordata and subsequently the vertebrates is accompanied by a rapid structural diversification of this primitive linear heart: looping, unidirectional circulation, an enclosed vasculature, and the conduction system.[well established][VHOG] VHOG:0001251 AAO:0010211 TAO:0000005 ZFA:0000005 GAID:468 AEO:0000208 arterial tree organ part Some arthropods have primitive arterial systems but this term refers to arteries in a true closed circulatory system. Note that in FMA an artery is a tree, whereas AEO/JB defines it as a tube; FMA includes a separate class for what it calls the trunk. Classification in this ontology may currently (Jan 2012) represent a mix of both schemes, although we are gradually revising in the direction of the AEO scheme. blood vessel