Pulmonary vein

The pulmonary veins are the veins that transfer oxygenated blood from the lungs to the heart. The largest pulmonary veins are the four main pulmonary veins, two from each lung that drain into the left atrium of the heart. The pulmonary veins are part of the pulmonary circulation.

Pulmonary vein
Anterior (frontal) view of the opened heart. White arrows indicate normal blood flow.
Diagram of the alveoli with both cross-section and external view.
Precursortruncus arteriosus
SystemCirculatory system
Drains fromlungs
Drains toleft atrium
Arterypulmonary artery
Latinvenae pulmonales
Anatomical terminology

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This article uses material from the Wikipedia article Pulmonary vein, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.