GROSS: CARDIOVASCULAR: HEART: Aortic Valve Prosthesis Heterograft: Gross natural color excised porcine valve that had been in place nine years marked fibrosis and calcification
Welcome to the Pathology Education Informational Resource (PEIR) Digital Library, a multidisciplinary public access image database for use in medical education.
GROSS: CARDIOVASCULAR: HEART: Aortic Valve Prosthesis Heterograft: Gross natural color excised porcine valve that had been in place nine years marked fibrosis and calcification