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: PELVIS: ANAL TRIANGLE; A=ANOCOCCYGEAL LIGAMENT; B=INFERIOR RECTAL NEUROVASCULAR BUNDLE; C=PUDENDAL NEUROVASCULAR BUNDLE; D=EXTERNAL SPHINCTER; E=UROGENITAL DIAPHRAGM