right atrium of the heart is a noun meaning "the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus". It carries one recorded sense.
the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus
Definitions, synonyms and semantic relations for right atrium of the heart come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.