part of part of adjacent to adjacent to contributes to morphology of heart cardiac septum MA:0000083 'Terrestrial vertebrates have divided hearts in which septae separate the oxygenated and deoxygenated blood within the pulmonary and systemic circulations' FMA:7180 GAID:562 heart septum spiral septa in GO, septum morphogenesis is part of cardiac chamber morphogenesis; need to add axioms to infer this MESH:D006346 UBERON:0002099 UMLS:C0018819 The thin membranous structure between parts of the heart, including the atria, ventricles, and outflow tract. EMAPA:35400 heart septa septum of heart SCTID:362014000 NCIT:C49485 cardiac septa septum cardiac chamber