Assertion: small blood vessel | /r/CapableOf | call vasa vasorum
Facets:
Source sentences:
text: It contains mostly connective tissue in the form of collagen and a few small blood vessels called vasa vasorum that supplies the cells that make up the arterial wall.
text: Also characteristic of this layer is the presence of small blood vessels called the vasa vasorum that supply the walls of larger arteries and veins.