in this paper the histopathological observation of the migratory phase of schistosome larvae (schistosomulae) in the laboratory animal were studied. the first tissue samples were taken from the skin of infected animals 30 minutes after exposure to the cercariae and continued daily up to 40 days post infection. the tissue specimens were taken from skin, liver. lung, lymph nodes, kidney, brain, b...

background: giardia has the ability to infect many mammals including dogs, cats, deer, mice, ground squirrels, chinchillas, swine, rabbits, pocket mice, oxen, guinea pigs, and humans. giardia lamblia (also giardia duodenalis, g.intestinalis) isolates have been variably divided into two or three genotypes by different investigators, and each group can be divided into subgroups. objectives: we ha...