A study of the effect of wild tamarind (Leucaena leucocephala) leafs extract on clinical symptoms and histological changes in liver of mice (Mus musculus) was conducting in the laboratory. Each of four equal groups of mice was individually fed with an artificial diet, impregnated with the leaf extract, at doses of 0 percent (control), 20 percent, 40 percent and 60 percent w/w on daily basis. Da…