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[Update on the subject of trophism and liver regeneration].

Present knowledge of hepatic trophism and regeneration after partial resection of the parenchyma is reviewed. The importance of the various factors influencing hepatic regeneration (so-called hepatotrophic factors) is stressed by examining the most interesting data reported in the literature. In particular, an attempt is made to classify such factors according to their origin (e.g. hepatic or extra-hepatic) and specificity of action. A brief discussion of the clinical implications of this research and current treatment for acute and chronic hepatic insufficiency, with particular reference to the latest surgical techniques, closes the paper.