Fasciola hepatica definition of fasciola hepatica by. A fasciola hepatica linne, 1758 e classificada entre os platyhelmintes, e esta dentro da classe trematoda. The zoonoses are particularly endemic in sheepraising countries and are also endemic in iran. Fasciola hepatica article about fasciola hepatica by the. Il parassita adulto depone uova che vengono portate dalla bile nellintestino e raggiungono lesterno con le feci necessariamente in ambiente acquatico. Fasciola hepatica the common names are the sheep liver fluke and the common liver fluke. Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda fasciola gigantica very rarely infects humans.
The two species of trematodes that cause fascioliasis fasciola hepatica and fasciola gigantica are leafshaped worms, large enough to be visible to the naked eye adult f. Fasciola hepatica and fasciola gigantica, as well as hybrids between the two species. It is found in warmer climates asia, africa in cattle and buffalo, in which it is responsible for chronic fasciolosis, and in sheep, in which the disease is frequently acute and fatal. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes it infects the livers of various mammals, including humans. Fasciola gigantica in ruminants digestive system merck. It has been classified as a neglected tropical disease. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica. Quizlet flashcards, activities and games help you improve your grades. Fascioliasis due to fasciola hepatica and fasciola gigantica infection.
Fasciola hepatica can affect 46 species of wild and domestic animals as well as humans. This size cannot be explained by genome duplication or expansion of a single repeat element, and. The disease caused by the fluke is called fascioliasis also kn. It affects humans, but its main host is ruminants such as cattle and sheep.
Fascioliasis is caused by two species of parasitic flatworms or trematodes that mainly affect the liver. The disease caused by the fluke is called fascioliasis. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes. Fasciola hepatica bahiya basheer 2nd year mbbs student 2. Follow me to a labeled images of fasciola hepatica. Both species infect the liver tissue of a wide variety of mammals, including humans, in a condition known as fascioliasis. Economically important infections are seen in cattle, sheep, alpacas, and llamas in three forms. Fasciola hepatica study guide by equuspuella includes 10 questions covering vocabulary, terms and more. Fasciola, commonly known as the liver fluke, is a genus of parasitic trematodes. The egg the eggs of fasciola hepatica are operculated and average 140.
Fasciola hepatica o duela del higado, gusano trematodo. Habitata parasite of herbivorous anim als sheep,goat and cattle, living in. Fascioliasis is a worldwide zoonotic infection with fasciola hepatica and fasciola gigantica. Fasciola hepatica vive come parassita nei dotti biliari degli erbivori, il suo ciclo e legato allacqua ed alla presenza del suo ospite intermedio. Fasciola jacksonii cobbold, 1869 fasciola linguatulina sinitzin, 1914. Fasciola hepatica simple english wikipedia, the free. The trematodes fasciola hepatica also known as the common liver fluke or the sheep liver fluke and fasciola gigantica are large liver flukes f. Fasciola gigantica is similar in shape to fasciola hepatica but is longer 75 mm, with less clearly defined shoulders, and is 12 mm wide. The liver fluke fasciola hepatica is a major pathogen of livestock worldwide, causing huge economic losses to agriculture, as well as 2. Eggs of fasciola hepatica have been found in mummies, showing that human infection was occurring at least as early as pharaonic times farag. Fasciola hepatica, duela del higado animales invertebrados. The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd.
Fasciola hepatica fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic flatworm of the class trematoda, phylum platyhelminthes that infects the livers of various mammals, including humans. Fasciola parasites live as adult flukes in the bile duct and immature eggs go out through feces and grow in fresh. Oct 11, 2019 fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. It causes damage to the liver tissues producing liver rot in all sheep breeding areas of the world. Fasciola hepatica commonly called sheep liver fluke. It infects the livers of various mammals, including humans. Pdf infeccion por fasciola hepatica y fasciolosis fasciola.
Varios siglos despues, leukart 1882 y thomas 1883 pergenaron su ciclo vital vease mas adelante en este mismo texto. In sheep, the migratory phase of the parasite produces severe parenchymal disease of the liver for which the parasite is called sheep liver fluke and the disease is known as liver rot. Its life cycle is completed in two hosts, a vertebrate, the sheep and an invertebrate host, which is the snail of the genera planorbis, limnaea and bulinus. Fasciola hepatica is a parasitic fluke that lives in the liver. The disease progresses through four distinct phases. It is important to get an idea about the fasciola hepatica life cycle to determine the best treatment option. Fasciola fasciola hepatica e um verme achatado, trematodeo da familia dos fasciolideos, filo platyhelminthes, parasita dos canais biliares do boi, ovelha, cabra, porco e, raramente, do homem. Jan 20, 2011 ciclo no hospedeiro intermediario, o caramujo limnaea columella. In this article we will discuss about fasciola hepatica. It is known as the common liver fluke and causes a disease called fascioliasis. Fascioliasis enfermedades infecciosas manual msd version.
The life cycle, transmission, morphology, clinical presentation, and treatment of the f. A fasciola hepatica tem alta frequencia no rio grande do sul, especialmente. The disease caused by the fluke is called fasciolosis or fascioliasis, which is a type of. Fasciola hepatica the liver fluke zoology for ias, ifos. Este helminto e conhecido popularmente como baratinha do figado. The life cycle of fasciola hepatica starts when a female lays eggs in the liver of an infected human.
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