Ontology explorer

BTO:0000903

In the heart, the atrium is an upper chamber found on both sides of the heart. The left atrium receives red, oxygenated blood from the lungs by way of the pulmonary veins. The right atrium receives dark red blood from the other parts of the body

1. atrial tissue
2. cardiac atrium

1. Cardiac and Vascular Health Library: http://www.saheart.net/library/diction/a.asp

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