schistosomiasis
Disease (bilharzia) caused by trematode worms (flukes). Three main species, Schistosoma haematobium, S. japonicum, and S. mansoni, cause disease in man. Larval forms of the parasite live in freshwater snails; cercariae liberated from the snail burrow into skin, transform to the schistosomulum stage, and migrate to the urinary tract ( S. haematobium ), liver or intestine ( S. japonicum, S.mansoni ) where the adult worms develop. Eggs are shed into the urinary tract or the intestine and hatch to form miracidia which then infect snails, completing the life cycle. Adult worms cause substantial damage to tissue and seem to resist immune damage by mechanisms that are not fully understood.

Dictionary of molecular biology. 2004.

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  • schistosomiasis — noun Any of various diseases of humans caused by parasitic blood flukes of the genus Schistosoma Syn: bilharzia See Also: schistosome, schistosomicide, schistosomicidal, schistosomicidally, schistosomiatic …   Wiktionary

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