| venous blood | |
noun | |
| blood found in the veins; "except in the pulmonary vein venous blood is rich in carbon dioxide and poor in oxygen" |
venous blood n.
Abbr. v
Blood that has passed through the capillaries of various tissues other than the lungs, is found in the veins, in the right chambers of the heart, and in pulmonary arteries, and is usually dark red as a result of a lower content of oxygen.