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Representative microphotographs of kidney lesions. (A) renal artery (A) of a control non-treated rat (no morphological alterations, PAS, 20×); (B) muscular hypertrophy and lumen reduction in a renal artery (V) of L-NAME-treated rat (PAS, 20×); (C) hyaline arteriopathy (HA) and lumen reduction in a renal artery of L-NAME-treated rat (PAS, 10×); (D) fibrinoid necrosis (FN) in a renal artery of L-NAME-treated rat (PAS, 20×).
