Noun
vasculitis (countable and uncountable, plural vasculitises or vasculitides)
(pathology) A group of diseases featuring inflammation of the wall of blood vessels.
The causative organism, Rickettsia rickettsii, infects endothelial cells and causes a small-vessel vasculitis that usually results in a maculopapular or petechial rash. Source: Internet
"It appears that checkpoints are important to maintain homeostasis in blood vessels, and by blocking checkpoints you can cause vasculitis," he noted. Source: Internet
Different types of vasculitis have certain patterns of distribution that may affect particular organs, certain types of vessels, or specific vessel sizes. Source: Internet