Ductus venosus

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Science and technology

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What Wikipedia says

In the fetus, the ductus venosus ("DV"; Arantius' duct after Julius Caesar Aranzi) shunts a portion of umbilical vein blood flow directly to the inferior vena cava. Thus, it allows oxygenated blood from the placenta to bypass the liver.

Excerpt from the Wikipedia article “Ductus venosus”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Henry Vandyke Carter, Public domain, via Wikimedia Commons.