right atrium
(right-a-tri-um)
4 syllables
Definition
noun. The right upper chamber of the heart that receives deoxygenated blood from the body through the venae cavae and pumps it into the right ventricle.
Example Sentence
The right atrium plays a crucial role in the circulatory system by receiving blood from the body.
More Example Sentences
During the cardiac cycle, the right atrium contracts to push blood into the right ventricle.
Synonyms
right heart chamber; atrial chamber; heart atrium
Antonyms
left atrium; left ventricle; right ventricle
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right atrium
