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A chronic, unhealed diabetic wound is one of the severe complications of diabetes mellitus. Azadirachta indica has been reported to have antidiabetic and antiapoptotic properties. The present work incorporates the healing potential of 50 % ethanol A. indica leaves extract against deep surgical wounds in streptozotocin-induced mild diabetic rats. A. indica leaves extract (500 mg/kg) was administered orally, once daily for ten days. Serum glucose, cholesterol, and triglycerides as well as body weight, food, and water intake, and tissue antioxidants (catalase, superoxide dismutase and reduced glutathione), free radicals (lipid peroxidation and nitric oxide), myeloperoxidase, total collagens (hydroxyproline, hexuronic acid and hexosamine), protein, vascular endothelial growth factor, and cytokines (tumor necrotic factor-α and interleukin-1β) were estimated. Histology was done for connective tissue formation and …