Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun right_atrium

1 sense of right atrium

Sense 1
right atrium, right atrium of the heart, atrium dextrum -- (the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus)
       => atrium cordis, atrium of the heart -- (the upper chamber of each half of the heart)