Lobar variation of carbon tetrachloride hepatotoxicity in the rat

The lobar variation m carbon tetrachloride-induced liver damage in the rat has been assessed by use of a systematic random sampling protocol and quantitative morphometry. A random inter-animal lobar variation in severity of damage was apparent, in contrast with the results obtained previously in which sampling bias, small animal numbers, and lack of fully quantitative measurement were apparent. The route of administration (oral vs. i.p.) did not influence these findings.