atrium of the heart

Synonyms:

atrium cordis

Types:

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 sinus

atrium sinistrum, left atrium, left atrium of the heart

the left upper chamber of the heart that receives blood from the pulmonary veins

Type of:

atrium

any chamber that is connected to other chambers or passageways (especially one of the two upper chambers of the heart)