part of part of has part has part in taxon develops from develops from has developmental contribution from has developmental contribution from contributes to morphology of Caenorhabditis elegans Drosophila melanogaster Vertebrata <vertebrates> Homo sapiens heart https://cdn.humanatlas.io/digital-objects/ref-organ/heart-female/v1.3/assets/3d-vh-f-heart.glb https://cdn.humanatlas.io/digital-objects/ref-organ/heart-male/v1.3/assets/3d-vh-m-heart.glb UBERON:0000948 EHDAA:420 As noted, the hearts of birds and mammals have four chambers that arises from the two chambers (atrium and ventricle) of the fish heart.[well established][VHOG] MA:0000072 BILA:0000020 MIAA:0000036 Part of the circulatory system responsible for pumping blood; composed of three chambers--two atria and one ventricle.[AAO] NCIT:C12727 TAO:0000114 BTO:0000562 relationship type change: differentiates_from lateral plate mesoderm (AAO:0010574) CHANGED TO: develops_from lateral plate mesoderm (UBERON:0003081)[AAO] MESH:D006321 EFO:0000815 ZFA:0000114 CALOHA:TS-0445 GAID:174 chambered heart vertebrate heart VHOG:0000276 MAT:0000036 EHDAA2:0000738 A myogenic muscular circulatory organ found in the vertebrate cardiovascular system composed of chambers of cardiac muscle. It is the primary circulatory organ. branchial heart Wikipedia:Heart EV:0100018 galen:Heart Taxon notes:" the ascidian tube-like heart lacks chambers....The ascidian heart is formed after metamorphosis as a simple tube-like structure with a single-layered myoepithelium that is continuous with a single-layered pericar- dial wall. It lacks chambers and endocardium.... The innovation of the chambered heart was a key event in vertebrate evolution, because the chambered heart generates one-way blood flow with high pressure, a critical requirement for the efficient blood supply of large-body vertebrates... all extant vertebrates have hearts with two or more chambers (Moorman and Christoffels 2003)" DOI:10.1101/gad.1485706 SCTID:302509004 EMAPA:16105 UMLS:C0018787 AAO:0010210 FMA:7088 XAO:0000064 Blood pumping organ composed of four chambers: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus.[TAO] cardium cardiac neural crest mesoderm-derived structure heart tube cardiac chamber cardiovascular system thoracic segment organ primary circulatory organ structure with developmental contribution from neural crest heart plus pericardium