Atrium (heart)

*Atrium*
Atrium
	Front view of heart showing the atria
Details
Part of	Heart vena cavae
System	Circulatory system
Identifiers
Latin	Atrium
MeSH	D006325
TA	A12.1.00.017
FMA	7099 85574, 7099
	Anatomical terminology

The atrium (Latin: ātrium, lit. 'entry hall') or auricle is the upper part through which blood enters the ventricles of the heart.

There are two atria in the human heart. The left atrium receives blood from the pulmonary (lung) circulation. The right atrium receives blood from the venae cavae (venous circulation).[1]

References

Parekh A, Jaladi R, Sharma S, Van Decker WA, Ezekowitz MD (September 2006). "Images in cardiovascular medicine. The case of a disappearing left atrial appendage thrombus: direct visualization of left atrial thrombus migration, captured by echocardiography, in a patient with atrial fibrillation, resulting in a stroke". Circulation. 114 (13): e513–14. doi:10.1161/CIRCULATIONAHA.106.617886. PMID 17000914.

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[pmid17000914-1] Parekh A, Jaladi R, Sharma S, Van Decker WA, Ezekowitz MD (September 2006). "Images in cardiovascular medicine. The case of a disappearing left atrial appendage thrombus: direct visualization of left atrial thrombus migration, captured by echocardiography, in a patient with atrial fibrillation, resulting in a stroke". Circulation. 114 (13): e513–14. doi:10.1161/CIRCULATIONAHA.106.617886. PMID 17000914.