a tentative diagnosis , based on history and gross lesions , was confirmed by one or more of the following observations : cowdry type a inclusions in the hepatocytes and cells of other affected tissues , pathogenicity of tissue suspensions for chicken embryos , cytopathic effects of herpesvirus in monolayers of chicken embryo fibroblasts , and demonstration of herpesvirus in cell-culture fluid by electron microscopy .
C0016030
fibroblasts
C0007634
cell