Fig. 5. Atherosclerosis. A. Gross appearance Of the fundus of an eye removed postmortem. Arrow indicates plaque in the inferonasal arteriole, seen microscopically in (B). B. Frozen section stained with oil red-O shows lipid deposits (arrow) in atheromatous plaque. Note the fatty infiltration in the muscular wall at the edge of the artifactitious cleft (double arrow). (A, macroscopic; B, oil red-O, ×200)