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Jones methenamine silver-stained renal sections of a control (A), STZ/NAD (B), and STZ/NAD/L-NAME (C) rat after 12 weeks. The glomerulus exhibited hyalinosis of both the afferent and the efferent (arrow) arterioles in the STZ/NAD/L-NAME diabetic rats. Tubular epithelial cell injury (asterisk) was also visible.
