Fig. 5. The effect of betulinic acid (BA) on testis histopathology (H&E, ×400). (A) Control. (B) Diabetes. (C) Diabetes+10 mg/kg of BA. (D) Diabetes+20 mg/kg of BA. (E) Diabetes+40 mg/kg of BA. (F) Diabetes+metformin. V: vacuolation.
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