An elderly woman was admitted with a fracture of the neck of right femur which failed to unite. On examination an avascular necrosis of the head of femur was noted. The condition would have resulted most probably from the damage to -
The major blood supply of femoral head is by lateral (superior) retinacular branch of medial circumflex artery. It is involved in AVN.
Superior gluteal artery
Inferior gluteal artery
Acetabular branch of obturator
Retinacular branches of circumflex femoral arteries