| histopathological observations in new and classic models of experimental schistosoma haematobium infections. | the authors present marsh rat holochilus brasiliensis, jirds meriones shawi and m. unguiculatus as new models of schistosoma haematobium infection. histological findings were compared with those of classic models mouse mus and hamster mesocricetus. in new models, embryonated eggs were seen in the stool from 90 days post infestation (dpi) and active disease developed from 117 to 175 dpi. seven out of 10 rodents presented granulomatous and/or chronic cystitis, fibrosis, polyps and urothelial chang ... | 1996 | 8673838 |