[Experimental dilatation of the cecum and colon in rats. III. A model induced by prolonged administration of lactose in the diet of animals in the chronic phase of infection by the Y strain of T. cruzi].

Female Wistar albino rats (30 days of age), weighing about 60 g, were inoculated intraperitoneally with 1000 parasites/g of the Y strain of T. cruzi. The strain of T. cruzi has been maintained by in vivo passage of the parasites from mice to mice in the Department of Parasitology, Microbiology and Immunology, Medical School of Ribeirão Preto. Rats of the… CONTINUE READING