Anatomy The most impoant structure involved in the development of inferior vena cava A Supra cardinal vein and sub cardinal vein B Persistence of Supra cardinal veins C Persistence of sub cardinal veins D Persistence of both supra and sub cardinal vein 💡 Explanation The most impoant structure involved in the development of inferior vena cava ✓ Correct Answer: A. Supra cardinal vein and sub cardinal vein