venous blood

venous blood
deoxygenated blood, found in the systemic veins, the right chambers of the heart, and the pulmonary arteries; it is dark red.

Medical dictionary. 2011.

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  • Venous blood — In the circulatory system, venous blood is blood returning to the heart (in veins). With one exception (the pulmonary vein) this blood is deoxygenated and high in carbon dioxide, having released oxygen and absorbed CO2 in the tissues. It is also… …   Wikipedia

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  • venous blood system — noun (zoology) the system of venous blood vessels in an animal • Syn: ↑venation • Topics: ↑zoology, ↑zoological science • Hypernyms: ↑system • …   Useful english dictionary

  • venous blood — n. blood in the veins returning to the heart …   English contemporary dictionary

  • venous blood vessel — noun a blood vessel that carries blood from the capillaries toward the heart all veins except the pulmonary vein carry unaerated blood • Syn: ↑vein, ↑vena • Derivationally related forms: ↑venous (for: ↑vein) …   Useful english dictionary

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  • venous — [vē′nəs] adj. [L venosus] 1. Biol. a) of a vein or veins b) having veins or full of veins; veiny 2. Physiol. designating blood being carried in the veins back to the heart and lungs: venous blood has given up oxygen and taken up carbon dioxide,… …   English World dictionary

  • Blood — For other uses, see Blood (disambiguation). Human blood smear: a – erythrocytes; b – neutrophil; c – eosinophil; d – lymphocyte …   Wikipedia

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