What is the Fetal Structure That Connects the Umbilical Vein

Question

What is the fetal structure that connects the umbilical vein with the inferior vena cava?
A) Foramen ovale
B) Ductus venosus
C) Ductus arteriosus
D) Placenta

Accepted Answer

The fetal structure that connects the umbilical vein with the inferior vena cava is the Ductus venosus. This structure allows oxygenated blood from the placenta to bypass the liver and travel directly to the heart. It closes shortly after birth, becoming the ligamentum venosum.