Question: Which blood vessels entered the liver from the umbilical cord in the fetal pig dissection? Also, what blood vessels exists the leg area and returns to the umbilical cord in the defeat pig dissection?
Answer: Umbilical vein that orginates from the placenta carries oxygenated blood and enters the liver where it becomes the ductus venosus. The ductus venosus then drains in to the hepatic veins, which empty into the inferior vena cava.
The common iliac arteries divide in to the external illiac artery and the internal illiac artery. The umbilical artery that orginates from the internal iliac artery passes through the umbilical opening and enters the umbilical cord. In the fetus, the umbilical artery travels within the umbilical cord to the placenta. The large, paired umbilical arteries carry deoxygenated blood from the fetus to the placenta.
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