16 Rattus flavipectus,30 Rattus Norvegicus and 20 Mus muscuius were built up Pneumocystis carinii pneumonia in wild rats and mice models by injected subcutaneously with cortisone aceteta and dexamethasone for 12 weeks...16 Rattus flavipectus,30 Rattus Norvegicus and 20 Mus muscuius were built up Pneumocystis carinii pneumonia in wild rats and mice models by injected subcutaneously with cortisone aceteta and dexamethasone for 12 weeks.At necropsy,the lung tissues were taken to make smears,imprints and sections.Pathogen morphology was observed under light microscope after stained.The experimental results showed the infective rate of Rattus norvegicus,Rattus flavipectus and Mus muscuius were 100%,81.25%and 65% respectively.The inducemental rate injected with cortisone aceteta was higher than injected with dexamethasone.The smears and imprints using giensa stain could be seen sporozoites of Pneumocystis carinii cysts and trophozoites.The imprints and sections stained by methemamine silve and toluidine blue could be observed the clear cysts wall.展开更多
文摘16 Rattus flavipectus,30 Rattus Norvegicus and 20 Mus muscuius were built up Pneumocystis carinii pneumonia in wild rats and mice models by injected subcutaneously with cortisone aceteta and dexamethasone for 12 weeks.At necropsy,the lung tissues were taken to make smears,imprints and sections.Pathogen morphology was observed under light microscope after stained.The experimental results showed the infective rate of Rattus norvegicus,Rattus flavipectus and Mus muscuius were 100%,81.25%and 65% respectively.The inducemental rate injected with cortisone aceteta was higher than injected with dexamethasone.The smears and imprints using giensa stain could be seen sporozoites of Pneumocystis carinii cysts and trophozoites.The imprints and sections stained by methemamine silve and toluidine blue could be observed the clear cysts wall.