Name
Greek: meta = behind; orchis = testis. Latin: conjunctus = connected.
Geographic Distribution/Epidemiology
North America, Canada; relatively few human cases; mainly fish-feeding mammals are infected (including dogs). M. bilis occurs in Europe and USA.
Morphology/Life Cycle
These digenetic flukes (Family Opisthorchiidae) of dogs, cats, foxes, and other carnivores reach a maximum length of up to 7 mm (mostly they are smaller) and a width of up to 2 mm. For the life cycle and other peculiarities see Clonorchis sinensis , since they live also in the bile ducts.
Symptoms of Disease
See Clonorchis sinensis .
Diagnosis
Microscopic determination of the eggs inside feces or gall fluid.
Infection
Occurs by ingestion of raw meat of fish (Catostomus salmonids), which contains the infectious metacercariae. All further details of the life cycle are similar to that of Clonorchis sinensis . First intermediate hosts are Amnicola species.
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Further Reading
Nöckler K et al (2003) Indirect ELISA for the detection of antibodies against Opisthorchis felineus and Metorchis bilis. Vet Parasitol 110:207–215
Pauly A et al (2003) Molecular characterization and differentiation of Opisthorchis felineus and Metochis bilis using PCR. Parasitol Res 90:409–414
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© 2015 Springer-Verlag Berlin Heidelberg
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Mehlhorn, H. (2015). Metorchis conjunctus . In: Mehlhorn, H. (eds) Encyclopedia of Parasitology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27769-6_1932-2
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DOI: https://doi.org/10.1007/978-3-642-27769-6_1932-2
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Publisher Name: Springer, Berlin, Heidelberg
Online ISBN: 978-3-642-27769-6
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