[Ultrastructural characteristics of tumor cells].
D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000473:pathology; D002454:Cell Differentiation; D002471:Cell Transformation, Neoplastic; D006801:Humans; D008113:Liver Neoplasms / Q000473:pathology; D008854:Microscopy, Electron; D009369:Neoplasms / Q000473:pathology*; D051381:Rats