Anatomy Most important arterial blood supply of femoral head is: (PGI June 2008) A Femoral artery B Obturator artery C Internal pudendal artery D Medial circumflex femoral artery. 💡 Explanation Most important arterial blood supply of femoral head is: (PGI June 2008) ✓ Correct Answer: D. Medial circumflex femoral artery.