Mostrando 181 - 200 Resultados de 3,549 Para Buscar '"amphibian"', tiempo de consulta: 0.19s Limitar resultados
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  3. 183
    Publicado 1980
    “…Direct induction of vitellogenin production in cultured male amphibian hepatocytes by estradiol-17 beta has been accomplished. …”
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  4. 184
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  7. 187
    por Weiss, Paul, Ferris, Wayne
    Publicado 1956
    “…The basement lamella under the epidermis of amphibian larvae shows a sub-microscopic architecture of remarkable geometric regularity: It consists of about twenty layers of ground substance in which cylindrical fibers (presumably collagenous) of about 500 Angström diameter are embedded parallel to one another, but with the fiber directions alternating by 90° from layer to layer. …”
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  11. 191
    “…Many studies have assessed the impact of different pollutants on amphibians across a variety of experimental venues (laboratory, mesocosm, and enclosure conditions). …”
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  12. 192
    “…BACKGROUND: The establishment of safe and effective protocols to treat chytridiomycosis in amphibians is urgently required. In this study, the usefulness of antibacterial agents to clear chytridiomycosis from infected amphibians was evaluated. …”
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  13. 193
    “…Amphibians, a class of animals in global decline, are present in agricultural landscapes characterized by agrochemical inputs. …”
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  16. 196
    por Rowley, Jodi J. L., Alford, Ross A.
    Publicado 2013
    “…Environmental context strongly affects many host-pathogen interactions, but the underlying causes of these effects at the individual level are usually poorly understood. The amphibian chytrid fungus has caused amphibian population declines and extinctions in many parts of the world. …”
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  17. 197
    “…The overlap between mammal and amphibian zones was very small, reflecting the different phylo-biogeographic histories. …”
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  18. 198
    “…The physiological role of these proteins has remained elusive, and insights may be gained by investigating biological variations in different animal species. Urodele amphibians are vertebrates with potent activities of regeneration and also show diverse mechanisms of polyspermy prevention. …”
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  19. 199
    “…Using a constructive approach, the main purposes of this study were to evaluate the performance and efficiency of eight potential indicator groups representing amphibian diversity in the Brazilian Atlantic Forest. …”
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