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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GROSS: CARDIOVASCULAR: AORTA: Thoracic Segment Atherosclerotic Aneurysm: Gross natural color close-up of openings into two typical aneurysms for this location very good photo of a difficult to illustrate lesion