Figure 1a: A) Renal cortex of control rat, the arrow indicates the cell outlines. B) Renal Cortex of experimental rat treated with 800 μg/ml of extract of Q. amara in drinking water, after 90 days of exposure. The arrow indicates the comparison with the control with the normal cell outlines. No abnormality in the histoarchitecture of the kidney tissue can be seen (H & E section 400x).
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