Definition of Venous blood
1. Noun. Blood found in the veins. "Except in the pulmonary vein venous blood is rich in carbon dioxide and poor in oxygen"
Medical Definition of Venous blood
1. Blood which has passed through the capillaries of various tissues, except the lungs, and is found in the veins, the right chambers of the heart, and the pulmonary arteries; it is usually dark red as a result of a lower content of oxygen. (05 Mar 2000)
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