Fig. 6

Effects of TMP on myocardial histology. a Control group. b ISO group (rats pretreated with saline solution and treated with ISO). c ISO + Pro group (rats pretreated with propranolol (Pro) and treated with ISO). d ISO + TMP (10 mg/kg) group (rats pretreated with 10 mg/kg TMP and treated with ISO). e ISO + TMP (20 mg/kg) group (rats pretreated with 20 mg/kg TMP and treated with ISO)