NCIt synonyms : Heart Atria; Auricle of Heart; Atrium; Atria of Heart; Cardiac Atria; Atrium of Heart; Atria, Cardiac; Heart Atrium;
NCIt related terms : HEART, ATRIUM; Atrial structure (body structure);
NCIt definition : The paired upper chambers of the heart. The left atrium receives oxygenated blood
from the pulmonary vein and pumps blood into the left ventricle. The right atrium
receives venous deoxygenated blood from the entire body via the superior and inferior
vena cavae and pumps blood into the right ventricle.;
Alternative definition : CDISC: The smaller chamber(s) of the heart that receives blood from the peripheral
circulation and/or the lungs.;