trematode


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Related to trematode: cestode

trematode:

see flukefluke,
parasitic flatworm of the trematoda class, related to the tapeworm. Instead of the cilia, external sense organs, and epidermis of the free-living flatworms, adult flukes have sucking disks with which they cling to their hosts and an external cuticle that resists digestion
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; PlatyhelminthesPlatyhelminthes
, phylum containing about 20,000 species of soft-bodied, bilaterally symmetrical, invertebrate animals, commonly called flatworms. There are four classes: the free-living, primarily aquatic class, Turbellaria, and Trematoda, Cestoda, and Monogenea, which are
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.
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References in periodicals archive ?
Un trematode du cormoran Phalacrocorax bougainvilleii (Less.) des lies Guanape, Perou.
The dynamics of the dimensional and age structure of Lymnaea (L.) stagnalis (Gastropoda, Pulmonata) populations infected with trematode parthenitae and larvae.
In addition, trematode infection sterilises host snails, and is often associated with greater mortality in infected individuals.
Schistosomal are a genus of trematodes commonly known as blood flukes as their adults reside in blood capillaries.
The World Health Organization has estimated that the number of humans infected with fishborne trematodes exceeds 18 million, and >500 million persons are at risk of infection (1).
Nonshedding snails may mean any one of two things: (1) they were not infected with any trematode parasite; (2) they were infected but with immature precercarial larval forms which were not yet ready for release.
In some specimens for the present histological study, gonadal infection by trematode (sporocysts and cercariae) and Marteilia-like parasites was observed (Fig.
Fripp (1967) and Senft (1968) observed that the trematode parasites that live in the biliary system of the animal get their nutrients from the bile or the blood.
Overall prevalence of each trematode taxon and prevalence in each season was calculated following Bush, Lafferty, Lotz and Shostak (1997).