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Fig. 2. Histology of adrenal gland in stressed and control rats, stained with AZAN
trichome. (A) ZF in rats exposed to heat stress, showing dark and light
regions. Scale bar, 100 µm. (B) Light part of ZF in heat stressed rats,
showing cells filled with lipid droplets. Scale bar, 20 µm. (C) ZR cells
containing increased numbers of condensed nuclei in heat stressed rats.
Interstitial fibrosis is present. Scale bar, 20 µm. (D) Adrenal gland of
control rats. Scale bar, 100 µm. (E) ZF cells of control rats; a moderate
number of lipid droplets was present in the cells. Scale bar, 20 µm.