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: HEART: Thrombotic Nonbacterial Endocarditis: Gross natural color close-up view of mitral valve with typical lesions excellent photo of this lesion 88yom with burns and thus aging changes in valve