Vasa vasorum (VV) are defined literally as vessels of the vessels, and predominantly observed in large vessels with an important role under pathological conditions.

What does the vasa vasorum do?

role in cardiovascular system

small blood vessels called the vasa vasorum that supply the walls of larger arteries and veins. In contrast, the inner and middle layers are nourished by diffusion from the blood as it is transported.

What is a vasa vasorum and why does it exist?

The vasa vasorum are found in large veins and arteries such as the aorta and its branches. These small vessels serve to provide blood supply and nourishment for tunica adventitia and outer parts of tunica media of large vessels.