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: NERVOUS: Brain: Berry Aneurysm: Micro low mag H&E section of basilar artery and adjacent a portion of the aneurysm which was at the posterior inferior cerebellar artery good photo to show lack of medial structures in wall of aneurysm