Fig. 2From: The protective effect of activating Nrf2 / HO-1 signaling pathway on cardiomyocyte apoptosis after coronary microembolization in ratsHistopathology of post-CME myocardial microinfarcts (×200), bar = 50 μm. Tissue samples’ HE stain from the CME group. The arrow reveals the exist of a 42-μm microsphere following CMEBack to article page