Arteriosclerosis, Aortic Dissection, and Aneurysm Pathology Video Arteriosclerosis Arteriosclerosis is due to the blood artery wall thickening, literally "hard arteries." The types of arteriosclerosis include: Atherosclerosis (hardening and narrowing of large arteries) Arteriolosclerosis (hardening and calcification of small arteries) Mönckeberg…