metacercaria


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metacercaria

[¦med·ə·sər′kar·ē·ə]
(invertebrate zoology)
Encysted cercaria of digenetic trematodes; the infective form.
References in periodicals archive ?
metacercaria from edible crabs in Arunachal Pradesh, Northeast India.
However, based on the appearance of the metacercaria within the snail, the flukes likely are infective immediately upon consumption of the snail, making a second intermediate host unnecessary.
Coelho MRT (1996) Acao de 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.
Infection of encysted metacercaria of digenean on gill filament was high (66.
According to Niewiadomska (2002), Neodiplostomum type metacercaria cannot be assigned to adult genera with certainty without knowing their complete life cycle; metacercariae are then referred to as types.
A familia Diplostomidae Poirier, 1886 e dividida em quatro subfamilias: Conodocephalinae, Sudarikov, 1959, com apenas o genero Codonocephalus Diesing, 1850 e metacercarias com orgao tribocitico aberrante com grande glandula proteolitica, Alariinae Hall e Wigdor, 1918 e Diplostominae Poirier, 1886, que se caracterizam por apresentar metacercarias do tipo Diplostomulum, e Crassiphialinae Sudarikov, 1960, que apresenta metacercaria do tipo Neascus (NIEWIADOMSKA, 2002a e b).
La metacercaria de los didymozoideos no muestra ninguna preferencia por ninguno de los hospederos paratenicos y se puede encontrar en peces cartilaginosos como Rhinobatidae y en peces oseos como Clupeiformes, Atheriniformes, Beloniformes,
Ocorrencia de metacercaria de Diplostomum compactum (Trematoda, Diplostomidae) parasitando Plagioscion squamosissimus (Teleostei, Sciaenidae) proveniente do reservatorio de Nova Avanhandava, Buritama, Sao Paulo.
Ademas, senalan que el numero de celulas flamigeras en las metacercarias no debe considerarse un criterio para la clasificacion de las especies de Paragonimus ya que este numero varia en los estadios cercaria y metacercaria, y a su vez cambia dentro de cada estadio a medida que el parasito va madurando (Blair et al.
The paragonimiasis has a wide distribution in the world, but occurs in areas where there is the consumption of hosts contaminated by metacercaria of Paragonimus, as raw or slightly cooked lobsters and crabs.