Pulmonary vein 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. Two main pulmonary veins emerge from each lung hilum, receiving blood from three or four bronchial veins apiece and draining into the left atrium. An inferior and superior main vein drains each lung, so there are four main veins in total. At the root of the lung, the right superior
Effects of tightlacing on the body many complications while the body is tightlaced, becoming severed due to the location of the ribs as a result of the tightlacing, and that the liver would become enlarged or displaced. Another possibility was mechanical congestion, the result of the pressure placed on the inferior vena cava, thus obstructing the flow of blood. According to Dr. Tse-Ling Fong, liver cancer is often the result of this vein being blocked. The blocked vein is not able to filter out the bad blood in the liver resulting in a cancerous infection. However, corsets would not have had a drastic effect on the