[Virulence factors of Entamoeba histolytica].

A panoramic view of the amebiasis concept, its pathogenesis and its epidemiologic importance is presented. Besides, a brief description of the characteristic lesions of the mainly affected organs is done. Then it is proposed a sequential relationship must occur in the amebic lesion production. Finally, the best characterized amoebal infective factors are analyzed. This paper does not pretend to be an exhaustive review, but to offer an image of the pathogenetic mechanisms of amebiasis.