Figure 2.

a: Periodontitis group: Glomeruli (G), inflammatory cell infiltration (asterisk). H-E, x10; b: Periodontitis group: Glomeruli (G), Bowman's space obstruction (arrowhead), tubular necrosis (arrow) inflammatory cell infiltration (asterisk). H-E, x20; c: Periodontitis group: Glomeruli (G), Glomerular capillary necrosis (black arrow), inflammatory cell infiltration (asterisk), tubular necrosis (white arrow), tubular epithelial damage (arrowhead). H-E, x40; d: Periodontitis group: Glomeruli (G), renal tubule basement membrane damage (arrow), thickened Bowman's capsule basement membrane (arrowhead). H-E, x40