Vasa vasora are functionally analogous to ?

Vasa vasorum are small blood vessels that supply walls of large blood vessels. It was thought coronary aeries are analogous to vasa vasorum. "Because hea originates from the primitive endocardial tube (ventral aoa) embryologically, coronary aeries that supply this tube can be thought as "cardiac vasa vasorum" like aerial vasa vasorum that supply peripheral aeries".