Sinus venosus receives blood from all EXCEPT: (A) Vitelline vein, (B) Umbilical vein, (C) Common cardinal vein, (D) Subcardinal vein
Answer is D. 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.