basal zone of heartGo to external page http://purl.obolibrary.org/obo/UBERON_0035213
The superior portion of the heart located opposite to the apical portion. It is formed mainly by the left atrium. [ ncithesaurus:Base_of_the_Heart ]
Synonyms: base of heart anatomical base of heart basis cordis
Zone of heart which has as its parts the left atrium and the inflow part of right atrium.