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Figure 4: Thickness of the different layers of adrenal cortex in control rats (T) and exposed rats (Ex) to 70 dB(A) for 5 months. ZG: Zona glomerulosa, ZF: Zona fasciculata, ZR: Zona reticularis. Data are expressed as mean ± standard error of mean *P < 0.05

Figure 4: Thickness of the different layers of adrenal cortex in control rats (T) and exposed rats (Ex) to 70 dB(A) for 5 months. ZG: Zona glomerulosa, ZF: Zona fasciculata, ZR: Zona reticularis. Data are expressed as mean ± standard error of mean *<i>P <</i> 0.05