PEIR Digital Library

Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.

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DIAGRAM: GASTROINTESTINAL: GI: ARTERY: Pathogenesis of Atherosclerosis - 6 of 13; A=Lipoprotein, B=Granulocyte, C=Platelets, D=Macrophage --Macrophages may also injure the overlying endothelium, allowing platelets to attack and release growth factors, including PDGF. Some of the smooth muscle cells themselves may also f