metacercaria

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metacercaria

[met″ah-ser-kar´e-ah] (pl. metacerca´riae)

The encysted resting or maturing stage of a trematode parasite in the tissues of an intermediate host.

met·a·cer·car·i·a

, pl.

met·a·cer·ca·ri·ae

(met'ă-ser-kar'ē-ă, -ē),

The postcercarial encysted stage in the life history of a fluke, before transfer to the definitive host. Some cercariae attach themselves to grass or other vegetation, form metacercaria, and later are ingested by herbivores, as in Fasciola and similar forms; others encyst in muscles of fish, as in Clonorchis, or in crayfish, as in Paragonimus.

[meta- + G. kerkos, tail]

metacercaria

/meta·cer·ca·ria/ (-ser-kar´e-ah) pl. metacerca´riae the encysted resting or maturing stage of a trematode parasite in the tissues of an intermediate host or on vegetation.

met·a·cer·car·i·a

, pl. metacercariae (met'ă-sĕr-kar'ē-ă, -ē)

The postcercarial encysted stage in the life history of a fluke, before transfer to the definitive host. Some cercariae attach themselves to vegetation, form metacercariae, and are ingested by herbivores; others encyst in muscles of fish or crayfish.

[meta- + G. kerkos, tail]

metacercaria

a developmental stage in endoparasitic flukes in which the CERCARIA larva loses its tail (to become a metacercaria larva). Except in schistosomes the stage occurs while the organism is in the vertebrate host and it then develops directly into the adult.

Metacercaria (plural, metacercariae)

The encysted stage of a fluke larva that produces infection in human beings.

Mentioned in: Fluke Infections

metacercaria

pl. metacercariae; the encysted resting or maturing stage of a trematode parasite in the tissues of a second intermediate host or on vegetation.

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References in periodicals archive ?

In exhibits that were deemed clear of snails, or where snails were negative for trematode metacercaria, birds returned to the habitat once fecal collection and surveillance was completed.

Detection and management of air sac trematodes (Szidatitrema species) in captive multispecies avian exhibits

Acao dos diferentes metodos de conservacao na sobrevivencia de metacercarias de Phagicola longus (Ranson, 1920) Price, 1932, Parasito de mugilideos capturados no litoral do estado do rio de janeiro.

Research of ascocotyle (Phagicola) longa in heat treated fillets of mullet (Mugil platanus)

Studies on the metacercaria Clinostomoides dollfusi n.

New records of digenean parasites of Clarias gariepinus (Pisces: Clariidae) from the Okavango Delta, Botswana, with description of Thaparotrema botswanensis sp. n. (Plathelminthes: Trematoda)

2008) registraram novas ocorrencias desta metacercaria no olho de Serrasalmus maculatus (Kner, 1858), Hypostomus regani (Ihering, 1905), Schizodon borellii (Boulenger, 1900) e Auchenipterus osteomystax Miranda-Ribeiro, 1918 coletados na bacia do rio Parana.

Diplostomidae metacercariae (Digenea: Diplostomoidea) in Geophagus brasiliensis (Perciformes: Cichlidae) from Guandu river, State of Rio de Janeiro, Brazil/Metacercarias de Diplostomidae (Digenea: Diplostomoidea) em Geophagus brasiliensis (Perciformes: Cichlidae) do rio Guandu, Estado do Rio de Janeiro, Brasil

En el presente trabajo se han observado una metacercaria de didimozoidea en restos de la pared interna del estomago en potas evisceradas de 64 cm.

Helmintos parasitos de Dosidicus gigas "pota" eviscerada en Arequipa, Peru

gouldii: two collected from SCR and one from NSS, the two locations with the highest mean metacercaria counts; the three individuals infested with sporocysts each had metacercarial counts greater than 100.

Investigating the parasitism of Southern California bean clams (Donax gouldii) by the trematode Postmonorchis donacis

Metacercarias livres de diplostomideos (Digenea, Diplostomidae) em Loricariichthys anus (Val.

Infeccao por metacercarias de Austrodiplostomum compactum em peixes do Reservatorio de Nova Avanhandava, rio Tiete, Estado de Sao Paulo, Brasil

Paragonimus mexicanus posee testiculos largos que llegan hasta el extremo posterior del cuerpo, presenta ovario y testiculos ramificados y metacercaria libre dentro del cangrejo hospedero (Miyazaki et al, 1980).

Paragonimus mexicanus (digenea: troglotrematidae) de Valle de Perdidas, Urrao, Antioquia

Os hospedadores definitivos desta metacercaria sao provavelmente as serpentes.

Parasite and reproductive features of Scinax nasicus (Anura: Hylidae) from a South American subtropical area/Parasitos de Scinax nasicus (Anura: Hylidae) de un area subtropical de Americana del sur y sus rasgos reprodutivos/Parasitos de Scinax nasicus (Anura: Hylidae) de uma area subtropical sul Americana e seus rasgos produtivos

Metacercaria The encysted stage of a monecious trematode; this stage succeeds the cercaria; metacercariae is plural.

Glossary

On further examination, the helminth was identified as a metacercaria of Clinostomum complanatum (Rudolphi 1814).

A noteworthy infection of Clinostomum complanatum (Digenea: Clinostomidae) in a cave salamander, Eurycea lucifuga (Caudata: Plethodontidae), from northcentral Tennessee

ranarum has a prolonged intra molluscan phase of development (to be determined) a short life span for the metacercaria and a prolonged pre-patent period.

Seasonal dynamics in abundance and pattern of infection of the lecithodendriid trematode Mehraorchis ranarum (Srivastava, 1934) in the skipper frog, Rana cyanophlyctis schneider