Heart
Microscopy of scar in old myocardial infarction : Note bundles of myocardial fibers
with loss of nuclei and intensely stained eosinophilic cytoplasm in the upper part of the
picture (acute infarction) and replacement of infarct area with fibrotic bands in the lower
half of the picture (fibrotic scar of old myocardial infarction).
