of a precipitated and narrowing blood vessel

accident anaemic anatomy and anemic apoplectic arterial arteries arteriosclerosis artery atherosclerosis attack biology blood bloodstream body brain bypass cardiovascular cell cerebrovascular cholesterol clogged clot conjunctive constriction coronary damage disease disorder emergency fat hardening health healthy human illustration infarct insult levels life medical medicine microbiology narrowing occlusion operation organic periodontitis precipitate precipitated red science stroke surgery thrombosis tissue unhealthy vascular venous vessel vessels