PATHOLOGY

Detailed explanation-1: -Three types of vasa vasorum exist (1) vasa vasorum internae, (2) vasa vasorum externae, and (3) venous vasa vasorae. Vasa vasorum internae originate from the lumen of a vessel and penetrate the vessel wall to supply oxygen and nutrients.

Detailed explanation-2: -Vasa vasorum is a network of small blood vessels that supply blood to the walls of large blood vessels, for example elastic arteries (aorta) and large veins (vena cava). There are three major types of vasa vasorum: 1. vasa vasorum internae originate from inside the main artery or vein and pass into the vessel’s walls.

Detailed explanation-3: -The vasa vasorum are specialized vessels found in the vessel wall. Two types of arterial vasa vasorum (AVV) are recognized. The first type are the vasa vasorum interna, which originate from the luminal surface20 or the media21, 22 and branch into the adjacent artery wall.