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 - 13 of 13; A complicated lesion may eventually form the site of thrombotic events. Thrombi are an aggregation of platelets, fibrin, clotting factors, and cellular elements of blood that attach to the interior of the artery wall. Over time, such thro