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(A) Testis of control rats with androgen receptor nuclear staining in the interstitial cells and lack of immunoreaction in seminiferous tubules. (B) Testis of lead treated rats, showing no immunoexpression of androgen receptor. (C) Testis of rats given cinnamon extract, showing staining in the interstitial cells. (D) Testis of lead treated rats given cinnamon extract, showing moderate androgen receptor nuclear immunoexpression in the interstitial cells.
