Figure 25: Transmission electron microscopic picture of a section of kidney of rat exposed to Cd Cl2and ZnCl2 for 8 weeks displays two cells of distal convoluted tubules (D1&D2) and one cell of proximal convoluted tubules (P) with euchromatic nuclei (N) and nucleolus (n),many mitochondria (M)and dark nonvacuolated protoplasm. Intact microvilli (Mv) surrounded the lumen (arrow) of the proximal convoluted tubule. TEM mag. =4000X.