Atrium (heart)

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Atrium
Diagram of the human heart (cropped).svg
Front view of heart showing the atria
Details
Part ofHeart vena cavae
SystemCirculatory system
Identifiers
LatinAtrium
MeSHD006325
TAA12.1.00.017
FMA85574
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[change | change source]

  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.