Shop for Left_atrium at ml-shopping.com

Left atrium

Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (SVG version)

Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow. (SVG version)

Gray's Fig. 496 - Interior of left side of heart.

Gray's Fig. 496 - Interior of left side of heart.

The left atrium is one of four chambers (two atria and two ventricles) in the human heart. It receives oxygenated blood from the pulmonary veins, and pumps it into the left ventricle.

See also

This cardiovascular system article is a stub. You can help Wikipedia by expanding it.

Cardiovascular system - Heart - edit

atria (interatrial septum) | ventricles (interventricular septum) | valves (chordae tendinae, papillary muscle)

right heart: (vena cavae, coronary sinus) → right atrium (fossa ovalis) → tricuspid valve → right ventricle → pulmonic valve
→ (pulmonary artery and pulmonary circulation)

left heart: (pulmonary veins) → left atrium → mitral valve → left ventricle → aortic valve
→ (aorta, aortic sinus and systemic circulation)

pericardium | epicardium | endocardium | myocardium

conduction system: cardiac pacemaker | Purkinje fibers | bundle of His | SA node | AV node

The content of this page is retrieved from http://en.wikipedia.org/wiki/Left_atrium under GFDL