Fig. 4From: In vivo and in vitro evaluation of the effects of Urtica dioica and swimming activity on diabetic factors and pancreatic beta cellsComparison of the effect of UD extracts, swimming exercise and metformin treatment on the islets diameter in normal and diabetic rats; a: negative control; b: diabetic control; c: diabetic group with UD 0.625 mg/kg treated; d: diabetic group with UD 1.25 g/kg treated; e: diabetic group with metformin treated; f: diabetic group + exercise; g: diabetic group with 0.625 mg/kg treated + exercise; h: diabetic group with 1.25 g/kg treated + exercise; i: diabetic group with metformin treated + exercise (haematoxylin and eosin, original magnification × 400)Back to article page