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: AORTA: Rheumatoid Aortitis: Micro low mag trichrome slides shows only medial fibrosis 65yo man with ankylosing spondylitis and aortic and mitral insufficiency see other slides in file