Vasa Vasorum of ascending aoa arises from ?

Clinical anatomy"Both coronary aeries supply vasa vasorum of ascending aoa" "Coronary aeries are vasa vasorum of ascending aoa" Vasa vasorum of ascending aoa and arch of aoa arise from :i) Coronary aeries (at their ostia).ii) Brachiocephalic trunk.iii) Bronchial aery.Vasa vasorum of descending aoa arise from':i) Intercostal aeries (thoracic pa).ii) Lumbar and mesenteric aeries (abdominal pa).