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Fasciolopsis buski is commonly called the giant intestinal fluke, because it is an exceptionally large parasitic fluke, and the largest known to parasitise humans. Its size is variable and a mature specimen might be as little as 2 cm long, but the body may grow to a length of 7.5 cm and a width of 2.5 cm.
Microscopic identification of eggs, or more rarely of the adult flukes, in the stool or vomitus is the basis of specific diagnosis. The eggs are indistinguishable from those of the very closely related Fasciola hepatica liver fluke, but that is largely inconsequential since treatment is essentially identical for both.
Adult flukes Fasciola hepatica in bile ducts (liver of goat). The course of fasciolosis in humans has 4 main phases: [7] Incubation phase: from the ingestion of metacercariae to the appearance of the first symptoms; period: few days to 3 months; depends on the number of ingested metacercariae and immune status of the host
Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode (fluke or flatworm, a type of helminth) of the class Trematoda, phylum Platyhelminthes. It infects the livers of various mammals , including humans, and is transmitted by sheep and cattle to humans all over the world.
Fasciola gigantica causes outbreaks in tropical areas of South Asia, Southeast Asia, and Africa.The geographical distribution of F. gigantica overlaps with F. hepatica in many African and Asian countries and sometimes in the same country, although in such cases, the ecological requirement of the flukes and their snail hosts are distinct.
Fasciola, commonly known as the liver fluke, is a genus of parasitic trematodes. There are three species within the genus Fasciola : Fasciola nyanzae, Fasciola hepatica and Fasciola gigantica . Fasciola hepatica and F. gigantica are known to form hybrids .
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Fasciola hepatica, Fasciola gigantica: liver, gall bladder stool Fasciola hepatica in Europe, Africa, Australia, the Americas and Oceania; Fasciola gigantica only in Africa and Asia, 2.4 million people infected by both species freshwater snails Fasciolopsiasis – intestinal fluke [10] Fasciolopsis buski: intestines stool or vomitus (microscope)