Trematoda is a class within the phylum platyhelminthes. The importance of the lymnaeids is due to the fact that they act as intermediate hosts in the biological cycle of the digenetic trematode fasciola hepatica linnaeus, 1758 trematoda, digenea, biological agent of fasciolosis, which is a parasitic disease of medical importance for both humans and animals. Effect of the exposure to fasciola hepatica trematoda. Fasciola hepatica is found in asia, america, europe, africa.
Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda reported cases are mainly form africa. Trematodos, trematoda, caracteristicas, tipos y ejemplos. Clase trematoda subclase digenea familia fasciolidae genero fasciola especie fasciola hepatica. Fasciola hepatica live in the bile duct of the liver of sheep, cows, pigs, etc. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode of the class trematoda, phylum platyhelminthes. Both species infect the liver tissue of a wide variety of mammals, including humans, in a condition known as fascioliasis. It infects the livers of various mammals, including humans.
The trematodes fasciola hepatica also known as the common liver fluke or the sheep liver fluke and fasciola gigantica are large liver flukes f. Trematoda parasitic flatworms class trematoda helminth, parasitic worm worm that is parasitic on the intestines of vertebrates especially. Lymnaeidae, an uncommon interaction july 2002 parasitology research 886. Fasciola hepatica and fasciola gigantica, as well as hybrids between the two species. Learn about the comparison between fasciola hepatica and taenia solium. Fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd. It includes two groups of parasitic flatworms, known as flukes. 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. Son animales con simetria bilateral y cuerpo sin metamerizar 2. A fasciola hepatica linne, 1758 e classificada entre os platyhelmintes, e esta dentro da classe trematoda. The primary host, where the flukes sexually reproduce, is a. This parasite is responsible for fasciolosis or hepatic distomatosis, a disease of cattle and sheep that also affects man, albeit less frequently.
It affects humans, but its main host is ruminants such as cattle and sheep. They are internal parasites of molluscs and vertebrates. The primary host, where the flukes sexually reproduce, is a vertebrate. Forma parte del filum platyhelminthes, clase trematoda, orden echinostomida, familia fasciolidae, genero fasciola. The fasciola hepatica is a parasite from the class trematoda of the order digenea, which maintains a wide distribution worldwide. The liver fluke fasciola hepatica is a digenean trematode with worldwide distribution that requires snails of the family lymnaeidae as intermediate hosts to complete its life cycle.
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 life cycle, transmission, morphology, clinical presentation, and treatment of the f. The grass contaminated with feces is the main source of transmission, with snails acting as an essential part of the biological cycle. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica.
Weekold juveniles from two isolates showed very high rates of infection 90. Perteneciente al filo platelmintos, clase trematodes, orden. Most trematodes have a complex life cycle with at least two hosts. Il parassita adulto depone uova che vengono portate dalla bile nellintestino e raggiungono lesterno con le feci necessariamente in ambiente acquatico. Fasciola hepatica and taenia solium phylum platyhelminthes. Trematoda synonyms, trematoda pronunciation, trematoda translation, english dictionary definition of trematoda. Essas sao semelhantes aos adultos e ja apresentam cauda, saindo pelas partes moles do molusco e caindo na agua fasciola hepatica \u2022 ciclo biologico \u2022 quando ha estiagem, a lamina dos rios desce e elas ficam expostas, e assim sao ingeridas pelos hd ao pastorear \u2022 no tubo digestivo desses animais as metacercarias perdem as. Its effect on the life history traits of pseudosuccinea columella gasteropoda. Trematoda definition of trematoda by the free dictionary.
918 1114 535 1 300 221 1248 807 1516 670 1267 1126 589 1295 622 871 1543 168 1289 267 1037 406 677 1086 1010 1197 1029 524 873