atrium cordis

Thesaurus

Noun

1.atrium cordis - the upper chamber of each half of the heartatrium of the heartatrial auricle, auricle, auricula atrii - a small conical pouch projecting from the upper anterior part of each atrium of the heartauricular appendage, auricular appendix, auricula - a pouch projecting from the top front of each atrium of the heartatrium - any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)atrium dextrum, right atrium, right atrium of the heart - the right upper chamber of the heart that receives blood from the venae cavae and coronary sinusatrium sinistrum, left atrium, left atrium of the heart - the left upper chamber of the heart that receives blood from the pulmonary veins