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: Dissecting Aneurysm: Gross natural color opened first portion aortic arch with large dissection and obvious dilation of aorta there is aortic stenosis present but is not well seen in this photo