part_of part of part of has_part has part has part has_quality has quality has quality develops_from develops from develops from capable of part of capable of part of channel for blood vessel endothelial cell blood circulation Homo sapiens Homo sapiens dendritic protein-containing material entity vessel blood blood vessel OpenCyc:Mx4rvVjxlpwpEbGdrcN5Y29ycA http://upload.wikimedia.org/wikipedia/commons/2/29/Circulatory_System_en.svg ZFA:0005314 TAO:0002137 region of vascular tree organ vas sanguineum vascular element SCTID:361097006 AEO:0000207 EHDAA2:0003252 MESH:D001808 NLXANAT:090901 annelids have blood vessels, but this class is not applicable to annelids. A vessel through which blood circulates in the body. Wikipedia:Blood_vessel UBERON:0001981 MA:0000060 VHOG:0001250 CALOHA:TS-0080 EMAPA:32743 FMA:50722 consider adopting the EMAPA superclass 'vascular element', which includes microvasculature (e.g. capillaries), vascular plexus AAO:0011004 MAT:0000393 GAID:169 uberon EFO:0000817 BTO:0001102 UMLS:C0005847 EMAPA:35993 EHDAA:240 Any of the vessels through which blood circulates in the body.[AAO] 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] XAO:0001011 FMA:63183 Blood vessel is categorized as 'general anatomical term'. Suggestion to map to region of vascular tree from Terry H at JAX NCIT:C12679 Any of the vessels through which blood circulates in the body. [XAO:0001011_][VHOG] vascular tree organ region FMA:63183 mesoderm-derived structure blood vasculature splanchnic layer of lateral plate mesoderm vascular cord epithelial tube open at both ends