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Doubt and certainty about the pathways of invasive juvenile parasites inside hosts

Published online by Cambridge University Press:  07 April 2017

P. A. G. Wilson
P. A. G. Wilson
Affiliation:
Division of Biological Sciences, Institute of Cell, Animal and Population Biology, University of Edinburgh, West Mains Road, Edinburgh EH9 3FT, UK
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Summary

It is generally believed that the patterns of in-host migration of the infective stages of most invasive macroparasites of man and domestic animals are matters of established fact. In reality, the textbook treatment of this topic, and much of the experimental approach to it, are a legacy of an uncritical past. With few exceptions the true picture concerning particular host/parasite systems is confused by the acceptance of inadequate criteria of proof. In important instances these bogus ‘proofs’ have been generalized within a suspect inductive framework which employs the basic assumption that all migratory parasites that enter the same portal and travel to the same destination do so by the same route. The discussion of such issues serves as a background to the presentation in detail of a more rigorous conceptual and experimental framework.

Keywords

Helminthparasiteinfectivejuvenilelarvamigrationroutesproofs.
Type
Research Article
Information
Parasitology , Volume 109 , supplement S1: Parasites and behaviour , 1994 , pp. S57 - S67
Copyright
Copyright © Cambridge University Press 1994

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