Photomicrographs of histological liver sections. (a) Standard group showing normal histology. (b) Standard group receiving the diet iron injections (group SI) featuring ballooned hepatic cells suggesting a hydropic degenerative process and focal granulomatous inflammation, cytoplasmic iron store in hepatocyte and Kupffer cell (arrow). (c) Control group showing normal histology. (d) Iron group receiving iron injections and featuring iron deposits in hepatocytes (arrow). ((a) and (b)) Hematoxylin & Eosin staining. ((c) and (d)) Perls staining. Bar = 50 μM.