objective(s): to appraise the antihepatotoxic efficacy of ethanolic extract of operculum turpethum root on the liver of swiss albino mice.   materials and methods:   hepatic fibrosis was induced in adult male albino mice through intraperitoneal administrations of n-nitrosodimethylamine (ndma) at the concentration of 10 mg/kg body weight. the liver toxicity and therapeutic effect of the plant et...