atrium of heart
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Related to atrium of heart: left atrium
, right atrium of heart
a·tri·um of heart [TA]
the upper chamber of each half of the heart.
a·tri·um of heart (ā'trē-ŭm hahrt) [TA]
The upper chamber of each half of the heart.
Synonym(s): atrium cordis
[TA] , atrium
(2) [TA] .