NCIt definition : One of the four chambers of the heart, which is located immediately superior to the
right ventricle, and which receives deoxygenated venous blood from the systemic circulation.;
Alternative definition : CDISC: The smaller chamber on the right side of the heart, which receives deoxygenated
blood from the body and pumps it through the right atrioventricular valve into the
right ventricle.;