left atrium of heart

left a·tri·um of heart

[TA]
atrium of the left side of the heart that receives the blood from the pulmonary veins and from which it passes ot the left ventricle.

left a·tri·um of heart

(left ā'trē-ŭm hahrt) [TA]
The upper chamber of the left side of the heart which receives the blood from the pulmonary veins.
Synonym(s): atrium cordis sinistrum [TA] , atrium pulmonale, atrium sinistrum cordis.