This is a different kind of arteriosclerosis.This is hyperplastic arteriolosclerosis, which most often appears in the kidney in patients with malignant hypertension.
There are two other forms of arteriosclerosis (hardening of the arteries) in addition to atherosclerosis: arteriolosclerosis and medial calcific sclerosis.
And then we've got the problems on the blood vessel end, under sustained hypertension, you may see your otherwise elastic arteries go from being flexible balloons to stiff, hardened pipes, in what's called arteriosclerosis.