noun
right atrium
Anatomical term for the upper right chamber of the heart that receives deoxygenated blood from the body.
右心房は全身から戻ってきた血液を受け取る。
The right atrium receives blood returning from the whole body.
Right ventricle; pumps blood to the lungs.
Compound of 右 (right) + 心房 (atrium of the heart).