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Vena cava


vena cava
(vee-na cah-va) [L. blood vessel + hollow]
A large vein that brings blood from the tissues to the right atrium of the four-chambered mammalian heart.
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vena cava :the major vein in the human heart; pumps oxygen-poor blood into the right atrium.
ventricle: a pumping chamber for blood to exit from the heart.
vertebrates: animals with backbones.
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vena cava
One of the major veins of the blood circulatory system.
venous system
The part of the blood circulatory system carrying blood back to the heart from the tissues.
Covered in Lab 16 Rat Respiratory and Circulatory Systems ...
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superior vena cava Blood from the head returns to the heart through this main vein.
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right heart: (vena cavae, coronary sinus) ' right atrium (fossa ovalis) ' tricuspid valve ' right ventricle ' pulmonic valve
' (pulmonary artery and pulmonary circulation) ...
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Oxygen-depleted or deoxygenated blood from the body enters the right atrium through two great veins, the superior vena cava which drains the upper part of the body and the inferior vena cava that drains the lower part.
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Veins draining the upper portion of the body lead to the superior vena cava.
Veins draining the lower part of the body lead to the inferior vena cava.
Both empty into the right atrium.
Link to discussion of the control of the heartbeat.
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inferior (posterior or ascending) vena cava carrying blood to the heart from posterior parts of the body; contrast to precaval vein
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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azygous vein - one of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the superior vena cava
Synonyms: azygos vein, vena azygos
By Wordnet Dictionary ...
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