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Effects of NaC and DDM on brush border ultrastructure. Electron micrographs showing different lesions in the brush border induced by NaC or DDM. Arrows indicate bulbous protrusions from single microvilli in (A), electron dense bodies with small vesicles attached in (B) and (C), microvesiculated, single microvilli in (E) and accumulated cellular debris in the lumen in (F). Bars: 0.2 µm (A–C); 1 µm (D); 0.5 µm (E,F).
