) Congenital pericardial defects result from the premature atrophy of which structure?
A- Left common cardinal vein
B- Right common cardinal vein
C- Left primitive jugular vein
D- Left vitelline vein
Answer:A
) Congenital pericardial defects result from the premature atrophy of which structure?
A- Left common cardinal vein B- Right common cardinal vein C- Left primitive jugular vein D- Left vitelline vein