The hepatic sinusoids that can be observed histologically in an adult liver are derived from the
Because of the location of the vitelline veins and the tremendous growth of the developing liver (hepatic diveiculum), the vitelline veins are surrounded by the liver and give rise to the hepatic sinusoids. The umbilical veins also contribute to the hepatic sinusoidal network
Supracardinal veins
Anterior cardinal veins
Posterior cardinal veins
Vitelline veins
Bronchopulmonary Segments, Embryonic veins