Figure 4.
Histologic lesions of natural Avian Adenovirus infection. H&E staining, ×400. (A) The liver, hydropic and vacuolar degeneration in hepatocytes (blue arrows) with basophilic intranuclear inclusion body in liver cells (blue circles). (B) The heart—monocytes and macrophages infiltration in interstitial areas (blue arrow). (C) The spleen—reticuloendothelial cells hyperplasia with intranuclear inclusions bodies (blue circles). (D) Kidney—hyperemia and degeneration of the epithelium in renal tubules with intranuclear inclusions bodies (blue circles).