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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 hepatica Egg of Dicrocoelium sp. Liver fluke is a collective name of a polyphyletic group of parasitic trematodes under the phylum Platyhelminthes. [1] They are principally parasites of the liver of various mammals, including humans. Capable of moving along the blood circulation, they can occur also in bile ducts, gallbladder, and ...
Trematodes are parasitic flatworms of the class Trematoda, specifically parasitic flukes with two suckers: one ventral and the other oral. Trematodes are covered by a tegument, that protects the organism from the environment by providing secretory and absorptive functions. The life cycle of a typical trematode begins with an egg.
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
Both F. hepatica and F. gigantica and their hybrids infect the liver tissue of a wide variety of mammals, including humans, in a condition known as fascioliasis. F. hepatica measures up to 30 mm by 15 mm, while F. gigantica measures up to 75 mm by 15 mm. [2] Fasciola nyanzae is thought to exclusively infect the common hippopotamus, Hippopotamus ...
A parasite called Heterobilharzia americana, a flatworm commonly referred to as liver fluke, was behind the illness of the 11 dogs. The parasite normally makes its home in Texas and in the South.
Here's a look at where rain, snow, even fog could slow you down if you're traveling around the New Year's holiday.
Adult trematodes of Fasciolidae range in length from 2 cm, for species of Parafasciolopsis, and 10 cm, for species such as Fasciola gigantica. The oral and ventral suckers are usually located. the cercariae are of a gymnocephalic shape.