Figure 2

Hematoxylin & Eosin (H&E) staining and Masson staining on kidney tissue of rats in various groups (×400). (a) lymphocyte and monocyte cell infiltration; (b) protein casts; (c) cytoplasmic vacuolation; (d) brush border of lumen surface fell off in renal tubular and tubular dilatation; (e) fibrotic hyperplasia of glomerular basement membrane and renal interstitium; (f) collecting duct; (g) medullary loop. CON, control group; MOD, model group; ELM, enalapril maleate group; ZWD: ZWD group.