What is Postcaval vein?
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What is Postcaval vein?
The postcaval vein, present in terrestrial vertebrates, is a late acquisition, both in evolution and in embryogenesis; it is a result of the intercommunication of several venous channels, including the anterior portion of the vitelline veins.
What is the meaning of Precaval vein?
(priːˈkɑːvə ) noun. the superior vena cava, the vein which carries blood from the head, chest and arms back to the heart; more generally, any cranial vena cava.
What is the other name of Precaval vein?
The postcaval vein is present in terrestrial vertebrates. The anterior vena cava, also known as the precava.
What is the function of pulmonary veins?
Pulmonary veins: The veins do the opposite job of pulmonary arteries and collects the oxygenated blood and carry it from the lungs back to the heart. The veins merge into larger veins. Each lung has two pulmonary veins that deliver blood to the heart’s top left chamber or atrium.
What is the largest vein in the body called?
inferior vena cava
Your inferior vena cava, your body’s largest vein, carries oxygen-depleted blood back to your heart from the lower part of your body (below your diaphragm).
Which is the biggest vein in human body?
The largest vein in the human body is the inferior vena cava. This vein functions by carrying deoxygenated blood from the lower and middle bodies back into the heart’s right atrium.
Where is the pulmonary vein?
the lung
The pulmonary veins are fixed to the pericardium travel alongside the pulmonary arteries. The right superior pulmonary vein passes in front of and a tad below the pulmonary artery at the root of the lung, and the inferior pulmonary vein is situated at the lowest part of the lung hilum.
What is difference between pulmonary artery and pulmonary vein?
The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
What is the important role of hepatic portal vein?
The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to the liver. This blood contains nutrients and toxins extracted from digested contents.
What is the longest vein?
Great Saphenous Vein
Did you know that your Great Saphenous Vein is the longest vein in the human body? Extending from the top of your foot to the upper thigh and groin, THIS vein is the major culprit that causes Varicose Veins.