Mouse Model of Abdominal Aneurysms (IMAGE) University of Maryland School of Medicine Caption Normal mouse abdominal artery (top) compared to a mouse abdominal artery missing LRP1 in the smooth muscle (bottom). Credit Dudley laboratory, UMSOM Usage Restrictions Credit source License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.