• Trematodes are parasitic flatworms of the class Trematoda, specifically parasitic flukes with two suckers: one ventral and the other oral. (wikipedia.org)
  • Trematodes, also called flukes, cause various clinical infections in humans. (medscape.com)
  • All the flukes that cause infections in humans belong to the group of digenetic trematodes. (medscape.com)
  • Depending on the habitat in the infected host, flukes can be classified as blood flukes, liver flukes, lung flukes, or intestinal flukes (see Classification of trematodes according to their habitat). (medscape.com)
  • The flukes that cause most human infections are Schistosoma species (blood fluke), Paragonimus westermani (lung fluke), and Clonorchis sinensis (liver fluke). (medscape.com)
  • Flukes are parasitic flatworms that infect various parts of the body (eg, blood vessels, gastrointestinal tract, lungs, liver) depending on the species. (merckmanuals.com)
  • Paragonimiasis is a zoonoses caused by infection with lung flukes (trematodes) of various species. (uab.edu)
  • Then they moved the tadpoles into water with trematodes, tiny parasites often called flukes, which infect each tadpole species in the wild and disrupt their growth and development. (sciencedaily.com)
  • A species of trematode blood flukes belonging to the family Schistosomatidae whose distribution is confined to areas of the Far East . (online-medical-dictionary.org)
  • Paragonimiasis is a vector-borne parasitic infection caused by trematodes of the genus Paragonimus (commonly known as lung flukes). (logicalimages.com)
  • Helminths include nematodes (roundworms), cestodes (tapeworms), and trematodes (flukes). (medscape.com)
  • Schistosomiasis is an acute and chronic parasitic disease caused by blood flukes (trematode worms) of the genus Schistosoma. (who.int)
  • Cercaria is also used as a genus of trematodes, when adult forms are not known. (wikipedia.org)
  • [8] In the resulting rearrangement to create monophyletic genera, four species, including the sarus crane, were placed in the resurrected genus Antigone that had originally been erected by German naturalist Ludwig Reichenbach in 1853. (wikipedia.org)
  • In Thailand, the genus comprises at least six species, one of which is Anentome wykoffi, a species that may act as an intermediate host of parasitic trematodes. (researchgate.net)
  • A new species of the giant pill millipede genus Sphaerobelum is described: Sphaerobelum turcosa sp. (researchgate.net)
  • As shown previously (Lumsden and Armitage, 1999), digenetic, heterophyid trematode parasitic worms of the genus Ascocotyle infect certain amnicolid snails as first intermediate hosts (such as Littoradinops ). (creationresearch.org)
  • Trematodes of the Paragonimus genus cause paragonimiasis, a parasitic disease that strikes carnivores, causing a subacute to chronic inflammatory disease of the lung. (medscape.com)
  • infected, resulting in damage to organism, which highlighted the Fish-borne zoonotic parasitic diseases include cestodes, zoonotic importance of this genus that belongs to Anisakidae trematodes and nematodes that infect humans by means of family (Vidal-Martinez et al. (bvsalud.org)
  • Yamaguti S . Synopsis of digenetic trematodes of vertebrates, vol. 1. (cdc.gov)
  • The digenetic trematodes of vertebrates. (marinespecies.org)
  • Schistosomiasis is by far the most important trematode infection. (merckmanuals.com)
  • 63.6% of total livers found to be positive for bovine fasciolosis were infected with F.hepatica where as F.giantica , mixed infection and immature or unidentified form of fasciola species recovered was 24.3%, 7.14% and 5%, respectively. (ispub.com)
  • We collected larvae of sympatric D. quadramaculatus and D. marmoratus from a stream (Beech Creek) in Towns County, Georgia, U.S.A. Although prevalence and mean visible metacercariae were different in June, no difference was seen between the species in either measure of infection in August. (bioone.org)
  • methods, increase of raw seafood consumption, and growth in The most involved species in human infection are Pseudoterranova the international market of fish (New et al. (bvsalud.org)
  • Trung Dung D , Van De N , Waikagul J , Dalsgaard A , Chai JY , Sohn WM , Fishborne zoonotic intestinal trematodes, Vietnam. (cdc.gov)
  • Food-borne intestinal trematode infections in the Republic of Korea. (cdc.gov)
  • Drontal is a brand of prescription anthelminthic that is used primarily in the killing and removal of certain species of intestinal parasites in cats and kittens. (mypetneedsthat.com)
  • The motile cercaria finds and settles in a host where it will become either an adult, a mesocercaria, or a metacercaria, according to species. (wikipedia.org)
  • Trematode metacercaria populations infecting cichlids in Lake Kinneret (Sea of Galilee) were used as sentinels for the changing limnological environment. (haifa.ac.il)
  • The life cycle of trematodes is completed in 2 different classes of hosts: definitive (ie, humans, domestic animals, wild animals) and intermediate (ie, freshwater snails). (medscape.com)
  • 3. We used stable isotopes to investigate each host-trematode trophic relationship and shed light on the mechanisms utilised by the parasite to reroute its hosts' biomass. (datadryad.org)
  • The life cycle of the trematodes can be completed in two different classes of hosts: definitive (humans, domestic, and wild animals) and intermediate (i.e. freshwater fish or snails). (acsh.org)
  • The hermaphroditic, adult trematode worms mature in the intestines of definitive hosts, most often piscivorous birds, but also certain mammals such as the raccoon. (creationresearch.org)
  • The stronghold of the species is in India, where it is traditionally revered and lives in agricultural lands in close proximity to humans. (wikipedia.org)
  • Other Asian species infecting humans include P. skrjabini , P. miyazakii , and P heterotremus . (uab.edu)
  • Paragonimus westermani is the most important species affecting humans and is endemic to East Asia, while Paragonimus kellicotti has been reported in North America. (logicalimages.com)
  • Of the 10 or more Paragonimus species that are human pathogens, only 8 cause significant infections in humans. (medscape.com)
  • In other species, the cercaria develops into an adult within the same host. (wikipedia.org)
  • In some species (for example Ribeiroia) the cercaria encysts, waits until their host is eaten by a third host, in whose gut it emerges and develops into an adult. (wikipedia.org)
  • Important features exhibited by adult digenetic trematodes are summarized below (see Features of digenic trematodes). (medscape.com)
  • N risticii DNA was detected in 13 species of immature and adult caddisflies (Trichoptera), mayflies (Ephemeroptera), damselflies (Odonata, Zygoptera), dragonflies (Odonata, Anisoptera), and stoneflies (Plecoptera). (merckvetmanual.com)
  • The adult trematode is reddish-brown and ovoid. (medscape.com)
  • European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. (vliz.be)
  • Prevalence of zoonotic trematodes in fish from Vietnamese fish-farming community. (cdc.gov)
  • within the Region it has become more common in the southern Sudan where anthro- ponotic and zoonotic sub-species infections overlap. (who.int)
  • New species of Haplorchis from Southeast Asia, together with keys to the Haplorchis -group of heterophyid trematodes of the region. (cdc.gov)
  • Digenic trematodes are unsegmented, leaf-shaped worms that are flattened dorsoventrally. (medscape.com)
  • Digenetic trematodes of fishes from the Galapagos Islands and the neighboring Pacific. (marinespecies.org)
  • Trematodes of marine fishes from the Peruvian faunistic province (Perú and Chile), with description of Lecithochirium callaoensis n. sp. (marinespecies.org)
  • Trematodes of Ghanaian sub-littoral fishes. (marinespecies.org)
  • Part I. Digenetic trematodes of fishes. (marinespecies.org)
  • Trematodes of the genera Coitocaecum, Dimerosaccus and Opecoelus (Opecoelidae: Opecoelinae) from freshwater fishes of Japan. (gbif.org)
  • The calculated 'true' species richness of the habitat, extrapolated as a function of sampling effort, was significantly lower in the 1999 to 2001 versus 1982 to 1984 samples, while significantly fewer fishes needed to be sampled ('sampling effort') during 1999 to 2001 in order to reach the 'true' species richness. (haifa.ac.il)
  • Paperna, I. / Trematode metacercariae of fishes as sentinels for a changing limnological environment . (haifa.ac.il)
  • Taxonomically, the slipper orchids consist of five genera and roughly 150 to 170 species found everywhere but Africa and Australia. (creation.com)
  • Some trematode eggs hatch directly in the environment (water), while others are eaten and hatched within a host, typically a mollusc. (wikipedia.org)
  • The eggs of all trematodes (except schistosomes) are operculated. (wikipedia.org)
  • Anh NT , Phuong NT , Ha GH , Thu LT , Johansen MV , Murrell DK , Evaluation of techniques for detection of small trematode eggs in feces of domestic animals. (cdc.gov)
  • This illustration depicts a number of trematode species eggs, which have been found in human stool specimens. (cdc.gov)
  • Eggs then develop in water for 2-3 weeks and ultimately release miracidia, which invade the first intermediate host (ie, a specific species of fresh water snail). (medscape.com)
  • Current knowledge of trematodes (Platyhelminthes: Digenea, Aspidogastrea) in Chile. (gbif.org)
  • A new species of Crepidostomum (Allocreadiidae: Digenea) from northeastern Finland, with comments on its possible origin. (marbef.org)
  • The purpose of this review is to provide a synopsis of the species that have been reported as parasites of T. rugosa as a foundation for future studies. (researchgate.net)
  • The geographical distribution of trematodes species is depending on the distribution of suitable species of snails. (ispub.com)
  • [11] Most modern authors recognize one species with three disjunct populations that are sometimes treated as subspecies, although the status of one extinct population from the Philippines is uncertain. (wikipedia.org)
  • The shell morphology is traditionally used for species identification yet in Thailand, the common snorkel snail, Rhiostoma housei, shows considerable variation in shell morphology within and between populations. (researchgate.net)
  • Pollination and seed dispersal were studied in six populations of the endangered plant species Trillium reliquum in Bullock and Lee counties in Alabama and in Muscogee County, Georgia. (auburn.edu)
  • The higher calculated values of species richness and diversity for the 1999 to 2001 samples despite the overall decline in species number is explained by the overall increase in metacercariae prevalence. (haifa.ac.il)
  • In some species, the redial stage is omitted, and sporocysts produce cercariae. (wikipedia.org)
  • Clinostomum marginatum, a trematode parasite, was found in native species samples, and the tapeworm Diphyllobothrium dendriticum was present in samples from nonnative species. (usgs.gov)
  • This micrograph depicts an egg from the trematode parasite Paragonimus westermani. (medscape.com)
  • In Japan, transmission has also occurred following human ingestion of raw pork from wild pigs that contained the juvenile stages of Paragonimus species. (medscape.com)
  • Paragonimus species are endemic to Southeast Asia, Latin America (most commonly in Peru), and Africa (most commonly in Nigeria). (medscape.com)
  • The epidemiology of PHF has been shown to involve a trematode vector. (merckvetmanual.com)
  • Here we report that this mechanism is present in three different species of cestodes, Taenia crassiceps, Mesocestoides corti and Echinococcus multilocularis. (conicet.gov.ar)
  • The first intermediate host can differ for different trematodes. (wikipedia.org)
  • In the southern Appalachian Mountains, U.S.A., the trematode Metagonimoides oregonensis , a parasite of raccoons and mink, primarily uses larvae of the salamander Desmognathus quadramaculatus as a second intermediate host. (bioone.org)
  • The total number of metacercarial species found in the Kinneret cichlids was lower in 1999 to 2001 than in 1982 to 1984. (haifa.ac.il)
  • One route of exposure is believed to be inadvertent ingestion of hatched aquatic insects that carry N risticii in the metacercarial stage of a trematode. (merckvetmanual.com)
  • Co-infections of different parasite species within the same host could occur and cause competition between the rediae and sporocysts. (wikipedia.org)
  • Trematode infections occur worldwide. (medscape.com)
  • Transmission of these species does not occur within the United States (including Puerto Rico) and Canada, but the disease may be present in travelers and immigrants from endemic areas. (merckmanuals.com)
  • It was possible to 'rank' these parasite species and assess their 'relative' trophic position using δ 15 N values. (datadryad.org)
  • 2023]. Nonindigenous Aquatic Species Database. (usgs.gov)
  • These results indicate that F. hepatica wa s the most common liver fluke species that leads to high liver condemnation rates in cattle slaughtered, resulting into financial loss in the study area. (ispub.com)
  • In Australia, there are more than 70 different species of ticks, 14 of which will parasitize reptiles [13] . (researchgate.net)
  • The Ascocotyle group comprises some 30 different species, which vary by mostly minute morphological differences, such as spine count and shape, organ position and size, and organ shape within adults. (creationresearch.org)
  • This chemical is typically used in the treatment of certain species of tapeworms and trematodes. (mypetneedsthat.com)
  • Most trematodes are hermaphroditic, but members of the family Schistosomatidae are dioecious. (wikipedia.org)
  • These parasites cannot be classified on the single basis of reproductive isolation, as many animal species are, because trematodes are hermaphroditic and several species often inhabit the same estuary. (creationresearch.org)
  • This study aimed to evaluate freshwater snail species diversity, abundance, and distribution in KwaZulu-Natal (KZN) province, South Africa, between December 2020 to February 2021. (mdpi.com)
  • We also show that tuataras are on a growing list of species, including sharks, frogs, birds, alligators, and platypus, that can use an atypical TCRδ that appears to be a chimera of a TCR chain with an Ab-like Ag-binding domain. (researchgate.net)
  • They raised newly hatched wood frogs ( Rana sylvatica ), spring peepers ( Pseudacris crucifer ) and American toads ( Anaxyrus americanus ) separately, splitting the tadpoles of each species into groups that lived either in unpolluted water or in water with salt added. (sciencedaily.com)
  • In the presence of salt, the wood frogs and the peepers became more susceptible to trematodes, while toads were unaffected. (sciencedaily.com)
  • The frogs occurring on the islands of Fernando Póo, Principe, Sao Tomé and Annobón represent the species Xenopus andrei (Loumont 1983). (amphibiaweb.org)
  • 5. We have shown that by focussing on a single host species and a single taxonomic group of parasites, we can remove a certain amount of variation recorded by broader isotope studies. (datadryad.org)
  • Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. (gbif.org)
  • Given the multiple lines of evidence for speciation within human-infecting Cyclospora, we provide an updated taxonomic description of C. cayetanensis, and describe 2 novel species as aetiological agents of human cyclosporiasis: Cyclospora ashfordi sp. (cdc.gov)
  • The life cycle of a typical trematode begins with an egg. (wikipedia.org)
  • While the details vary with each species, the general life cycle stages are: The egg is found in the faeces, sputum, or urine of the definitive host. (wikipedia.org)
  • Depending on the species, it will either be non-embryonated (immature) or embryonated (ready to hatch). (wikipedia.org)