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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HISTOLOGY: CARDIOVASCULAR: HEART: Myocardial Infarct: Micro H&E high mag edge of lesion several days old showing macrophages removing dead muscle especially good for showing lipofuscin pigment in macrophages derived from the dead myocytes