The disease caused by the fluke is called fascioliasis also kn. Man may become infested with this fluke by eating uncooked vegetables. Fasciola hepatica, or common liver fluke, is the agent of fascioliasis, a disease. Habitata parasite of herbivorous anim als sheep,goat and cattle, living in. Oxidative modifications of rat liver cell components during fasciola hepatica infection. Oct 11, 2019 fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. The common names are the sheep liver fluke and the common liver fluke. Fasciola hepatica is a trematode parasite in the same family as schistosomes and shares crossreactive antigens with schistosomes. Adw doesnt cover all species in the world, nor does it include all the latest scientific information about organisms we describe. The life cycle of fasciola hepatica starts when a female lays eggs in the liver of an infected human. Fascioliasis, an infection due to the food and waterborne trematodes fasciola hepatica and fasciola gigantica, is among the most neglected of the neglected tropical diseases. The lifecycle of fasciola hepatica is completed in two hosts. Mar 26, 2020 as a result of this unclear heptica, flukes in japan are normally referred to as fasciola spp. Fasciola hepatica an overview sciencedirect topics.
It is found in parts of latin america, the caribbean, europe, the middle east, africa, asia, and oceania. Fasciolosis in important food born and water born parasitic zoonosis caused by liver fluke of the genus fasciola 1, 2, the f. Fasciola hepatica definition of fasciola hepatica by the. The intermediate host in the life cycle of taenia saginata is. The histopathology of fasciola hepatica infections in sheep volume 58 issue 1 c. Fasciola hepatica is found in focal areas of more than 70 countries, in all continents except antarctica.
Fasciola hepatica definition of fasciola hepatica by. Sep 28, 2016 the electronic search strategy was as follows. Fasciola definition of fasciola by medical dictionary. A detailed description of the normal macroscopic arrangement and histological features of the testes, ovary, vitelline tissue, mehlis gland and. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Looking for online definition of fasciola in the medical dictionary. Fasciola hepatica article about fasciola hepatica by the. Effect of fasciola hepatica proteins on the functioning of. Winner of the standing ovation award for best powerpoint templates from presentations magazine.
Fasciola gigantica is found in fewer geographic regions. Fascioliasis is a parasitic infection typically caused by fasciola hepatica, which is also known as the common liver fluke or the sheep liver fluke. Fasciola hepatica is a liver fluke that causes fascioliasis, a zoonotic infection that. Register for email alerts with links to free fulltext articles access pdfs of free articles manage your interests save searches and receive search alerts. Characterization of the humoral immune response in alpacas lama pacos experimentally infected with fasciola hepatica against cysteine proteinases fas1 and fas2 and histopathological findings. It is known as the common liver fluke and causes a disease called fascioliasis. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke. Pmc free article siemieniuk e, kolodziejczyk l, skrzydlewska e.
The growth rate of the parasite, time of entry to the bile ducts, and time of patency are recorded and a preferential migration of the parasite in the liver parenchyma noted. Its life history includes a number of larval stages which propagate by asexual multiplication polyembryony. Human cases have been reported in the tropics, in parts of africa and asia. Fascioliasis due to fasciola hepatica and fasciola gigantica infection.
Aberrant energylinked reactions in mitochondria isolated from the liver of rats infected with the liver fluke fasciola hepatica. After brief introductory items hepatics three extensive chapters on human liver fluke disease in cuba caused by fasciola hepatica, the well known european sheep liver fluke now cosmopolitan in its distribution. Amongst the trematodes, this was the first to be discovered by. It is the first trematode whose life history was described by thomas in 1883. Fasciola hepatica commonly called sheep liver fluke. Association of fasciola hepatica infection with liver fibrosis. Although fasciola hepatica has been associated with liver fibrosis in latin america, it has not yet been associated with hcc. They are hermaphroditic and their distinguishing characteristics are shown in the following table. 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. The freeliving stages of the parasite are thought to respire aerobically, to gain the most energy from their. Fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. Experimental infections of lambs with fasciola hepatica are described. It causes damage to the liver tissues producing liver rot in all sheep breeding areas of the world. Matured fasciola hepatica dwells in the hepatobiliary system of herbivores or humans and lay eggs, which were released through the feces.
Liver fluke eggs are passed in the bile and feces and hatch in 23 weeks to form the freeswimming miracidia. The below mentioned article provides an overview on fasciola hepatica liver fluke. The histopathology of fasciola hepatica infections in sheep. Fascioliasis due to fasciola hepatica and fasciola gigantica.
Fascioliasis due to fasciola hepatica and fasciola. A free powerpoint ppt presentation displayed as a flash slide show on id. They hatch to form freeliving egg larvae or miracidia, which can live only a few hours in water. Fasciola hepatica public health diseases and disorders. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica. Liver flukes are typical digenean trematodes and are commonly called flatworms or flukes on account of their flat, leaflike structure. Phac, is offered here as a free public service to visitors of msdsonline.
It infects the livers of various mammals, including humans. Ppt fasciola hepatica powerpoint presentation free to. Adult fasciola hepatica flukes grow to become spinyappearing, brown. Fasciola species introduction fasciola, fasciolopsis and echinostoma species are trematodes which parasitise a variety of vertebrates. Fasciolosis is a zoonosis affecting ruminants, caused by the liver flukes fasciola f. Fasciola hepatica bahiya basheer 2nd year mbbs student 2. Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda fasciola gigantica very rarely infects humans.
In this article we will discuss about fasciola hepatica. The search term was adapted to the predominate language of the database. Oct 20, 2014 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. The egg the eggs of fasciola hepatica are operculated and average 140. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic. Adult fasciola are captured in the bile passage of sheep or many reproduce by parthenogenesis. Pdf background fascioliasis is a zoonotic disease caused by fasciola.
The life cycle of the common liver fluke, fasciola hepatica was. Fasciola hepatica is a parasitic fluke that lives in the liver. Fasciola hepatica simple english wikipedia, the free. Fasciola hepatica can affect 46 species of wild and domestic animals as well as humans. Association of fasciola hepatica infection with liver. Fasciola hepatica in some buffaloes and cattle by pcr and. Eggs of fasciola hepatica have been found in mummies, showing that human infection was occurring at least as early as pharaonic times farag. They can generally be distinguished on the basic of. Have the patient follow a liverfree diet several days and repeat stool examination. Read more about symptoms, diagnosis, treatment, complications, causes and prognosis.
The life cycle, transmission, morphology, clinical presentation, and treatment of the f. Follow me to a labeled images of fasciola hepatica. Tell a friend about us, add a link to this page, or visit the webmasters page for free fun content. The histopathology of fasciola hepatica infections in. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. It is important to get an idea about the fasciola hepatica life cycle to determine the best treatment option. Fasciola hepatica, fasciola gigantica synonym or cross reference. A related parasite, fasciola gigantica, also can infect people. Hepatic fascioliasis mimicking intrahepatic cholangiocarcinoma 88 int j clin exp med 2017. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd.
Fascioliasis is found in all continents except antarctica, in over 70 countries, especially where there are sheep or cattle. The animal diversity web is an educational resource written largely by and for college students. The primary or definite host is sheep or cattle, while the secondary or intermediate host is a small of the genus limnaea. Read about fasciola hepatica on the animal diversity web.
Economically important infections are seen in cattle, sheep, alpacas, and llamas in three forms. Fasciola hepatica synonyms, fasciola hepatica pronunciation, fasciola hepatica translation, english dictionary definition of fasciola hepatica. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Fascioliasis, sheep liver fluke disease, halzoun, marrara, read more. Fascioliasis, infection of humans and grassgrazing animals, caused by the liver fluke fasciola hepatica, a small parasitic flatworm that lives in the bile ducts and causes a condition known as liver rot. Multiple choice questions on phylum platyhelminthes mcq. 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. Fasciola hepatica material safety data sheet infectious substances section i infectious agent name. If a suitable snail host is entered, the miracidium develop into a sporocyst, which produce, either more rediae or another type of larvae called cercaria. Fasciola hepatica is the common liver fluke of sheep. Fasciola hepatica fasciola gigantica fasciolopsis buski echinostoma species geographic distribution. 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. Fasciola hepatica the liver fluke zoology for ias, ifos.
The trematodes of the genus fasciola are the common liver flukes of a range species of animals and have a global geographical distribution. Fasciola hepatica the common names are the sheep liver fluke and the common liver fluke. It affects humans, but its main host is ruminants such as cattle and sheep. Fasciola hepatica the liver fluke fasciola hepatica is a common fluke found in the liver and bile ducts of cattle, sheep, goat, pig, rabbit, dog etc. A detailed description of the normal macroscopic arrangement and histological features of the testes, ovary, vitelline tissue, mehlis.
Association of fasciola hepatica infection with liver fibrosis, cirrhosis, and cancer. Eggs hatch into ciliated larvae miracidia in freshwater, and multiply with. Fasciola parasites live as adult flukes in the bile duct and immature eggs go out through feces and grow in fresh. Life cycle of fasciola hepatica microorganisms zoology. Multiple choice questions on phylum platyhelminthes. At 72 h posttreatment, only one fluke remained alive and the disruption varied in degree. 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 hepatica is a trematode or fluke also known as the sheep liver fluke. Fasciola hepatica free download as powerpoint presentation.
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