Definitions for "Ductus venosus"
Keywords:  cava, vena, umbilical, shunt, inferior
Open shunt vessel that links umbilical vein with inferior vena cava; closes at birth.
a small vessel in the fetus that helps the circulation bypass the liver
vitelline blood vessel lying within the liver that connects (shunts) the portal and umbilical veins with the inferior vena cava and also acts to protect the fetus from placental overcirculation. Absence can cause hydrops fetalis and the umbilical vein then drains directly into the inferior vena cava or right atrium. (More? Cardiovascular Notes)