Atrium dextrum and Atrium cordis

Atrium dextrum noun - The right upper chamber of the heart that receives blood from the venae cavae and coronary sinus.

Atrium cordis and atrium dextrum are semantically related. In some cases you can use "Atrium cordis" instead a noun phrase "Atrium dextrum".

Atrium cordis noun - The upper chamber of each half of the heart.

Atrium dextrum and atrium cordis are semantically related. Sometimes you can replace phrase "Atrium dextrum" with "Atrium cordis", this phrases are similar.