Fig

Lt. the anterior descending coronary (opened longitudinally) to show severe stenosing atherosclerosis with superimposed reddish thrombosis with its propagating portion filling the minimally narrowed proximal portion. Lt. A closer view showing the artery cross section, which totally occluded by the reddish thrombus. the dark red thrombus is apparent in the lumen of the coronary.
Coronary atherosclerosis with superimposed thrombosis


There is a pink to red recent thrombosis in this narrowed coronary artery. The open, needle-like spaces in the atheromatous plaque are cholesterol clefts.
Coronary atherosclerosis with superimposed occlusive thrombosis