Atherosclerotic Mouse Aorta (IMAGE) La Jolla Institute for Immunology Caption This is a cross section of an aorta from a mouse that was fed a high-fat, high-cholesterol diet, which accelerates the build-up of plaque. The large red plaque on the inside of the aorta was labeled with oil based stain, which highlights lipids. Credit Dr. Dalia Gaddis, La Jolla Institute for Allergy and Immunology Usage Restrictions None License Licensed 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.