Effect of exposure of feed to microwaves in different contains on histological structure of male mice liver. A: Direct group showed hepatocytes regeneration (Hr) and disorganized structure of sinusoids (Ss) similarly glass. (B) and plastic group (C) also represented the hepatocytes regeneration zone and disorganized sinusoidal spaces. Stain: hematoxylin and Eosin Magnification: 400X.