Sinus venosus receives blood from all EXCEPT
Right & left sinus venosus each receives the union of the corresponding: Umbilical vein Vitelline vein Common cardinal vein Right vitelline vein forms the poal venous circulation and the hepatic poion of IVC. Common cardinal veins - forms neck veins. The umbilical veins degenerate.
Vitelline vein
Umbilical vein
Common cardinal vein
Subcardinal vein
Bronchopulmonary Segments, Embryonic veins