Fig. 5

Photomicrography of cardiac tissue of rats showing the effect of RTSM. a Normal (control group) showing no significant pathology. H.& E. 400x; b Cardiac tissue showing myocardial necrosis with lymphohistiocytic, reaction around the necrotic myocardial fibers in rats myocardial cells treated with ISO only. H. & E. 600x; c RTSM (250 mg/kg) plus ISO pretreatment showing slightly disorganized myocardial fibres with focal chronic inflammation. H. & E. 600x. d RTSM (500 mg/kg) plus ISO pretreated group showing a small focus of myocardial fibres tic reaction. H. & E. 600x