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  • 1965-1969  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Parasitology research 26 (1965), S. 185-196 
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Summary 1. The simple 3-host-life-cycle of Parastrigea robusta was traced experimentally. 2. The fresh water snails Planorbis planorbis and Anisus vortex act as first intermediate host. The furcocercaria shows 7 pairs of penetration glands in the hind body; the flame cell formula is 2{[1+1]+[1+1+(1)]}=10. The cercariae penetrate tadpoles. 3. Tadpoles or frogs act as second intermediate hosts. The metacercaria is a tetracotyle enclosed within a little roundish-oval cyst. 4. The adults live in the duodenum of ducks, where they cause injuries of the mucous membrane. The food of the adult consists of blood. Parastrigea anatis Bychovskaja-Pavlovskaja & Žukov, 1953, is treated as a synonym of P. robusta.
    Notes: Zusammenfassung 1. Der bisher unbekannte Entwicklungszyklus von Parastrigea robusta wurde experimentell verfolgt. Es handelt sich um einen einfachen 3-Wirte-Zyklus. 2. Als Altrices-Wirte dienen Planorbis planorbis und Anisus vortex (Planorbidae). Die Furcocercarie hat sieben Paar Bohrdrüsen im Hinterkörper; ihre Protonephridienformel lautet 2{[1+1]+[1+1+(1)]}=10. Die Cercarien dringen in Kaulquappen ein. 3. Als Metacercarienwirte dienen Kaulquappen bzw. die daraus entstandenen Froschlurche. Die Metacercarie ist eine in einer kleinen, rundlich-ovalen Cyste eingeschlossene Tetracotyle-Form. 4. Der Adultus schmarotzt im Dünndarm von Enten, wobei er offensichtlich Läsionen der Darmschleimhaut verursacht und sich von Blut ernährt. Parastrigea anatis Bychovskaja-Pavlovskaja u. Žukov, 1953, wird als Synonym von P. robusta angesehen.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Parasitology research 27 (1966), S. 210-239 
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
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  • 3
    facet.materialart.
    Unknown
    In:  Bijdragen tot de dierkunde vol. 39 no. 1, pp. 45-62
    Publication Date: 2024-01-12
    Description: 1. Eight species of Cuban bat trematodes have been examined, and their excretory system established. 2. In Urotrema scabridum Braun a small V-shaped excretory bladder and the flame cell formula 2[(2+ 2+2) + (2+2+2)] were ascertained. This enabled us to affiliate the family Urotrematidae to the Microphalloidea sensu Odening (1964) within the suborder Plagiorchiata. A new key to the families of the Microphalloidea is given. 3. The genus Ochoterenatrema characterized by a pseudogonotyl is divided into the two subgenera Ochoterenatrema (with pretesticular vitellaria) and Morenodendrium n.subgen. (with posttesticular vitellaria). Both subgenera have a V-shaped excretory bladder and the flame cell formula is 2[(2+2+2) + (2+2+2)], as stated for the species O. (O.) diminutum (Chandler) and O. (M.) pricei (P\xc3\xa9rez Vigueras) n.comb. 4. Keys for determinating all known species are given together with the description of a Parabascus and two Postorchigenes species. The flame cell formulas tally with all the hitherto known formulas of both genera: 2[(2+2+2) + (2+2+2)]. 5. The species Limatulum solitarium P\xc3\xa9rez Vigueras is regarded preliminarily as valid, all Cuban findings of Limatulum are attributed to it. The flame cell formula is 2[(2+2+2)+(2+2+2)]. 6. In the fish-eating bat Noctilio leporinus mastivus a Pygidiopsis species (Heterophyidae) occurs, the flame cell formula of which is 2[(2+2+2) + (2+ 2+2)].
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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