Behavior of Parasitic Stages of Helminths in a Thermal Gradient

Parasitic stages of helminths responded positively to a thermal gradient. Movement toward higher temperatures was observed in several nematode, trematode, cestode, and acanthocephalan species. The thermotactic response was faulty in that migration continued into areas of the gradient where thermal d...

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Veröffentlicht in:The Journal of parasitology 1964-02, Vol.50 (1), p.67-71
Hauptverfasser: McCue, John F., Thorson, Ralph E.
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container_title The Journal of parasitology
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creator McCue, John F.
Thorson, Ralph E.
description Parasitic stages of helminths responded positively to a thermal gradient. Movement toward higher temperatures was observed in several nematode, trematode, cestode, and acanthocephalan species. The thermotactic response was faulty in that migration continued into areas of the gradient where thermal damage and death occurred. A free-living oligochaete also migrated in the gradient, but stopped before damage occurred. With Nippostrongylus adults, migration could be reversed by a rapid reversal of the thermal gradient, and worms of a 7-day-old infection migrated more rapidly than those of an 18-day-old infection.
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identifier ISSN: 0022-3395
ispartof The Journal of parasitology, 1964-02, Vol.50 (1), p.67-71
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1937-2345
language eng
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source MEDLINE; JSTOR Archive Collection A-Z Listing
subjects Animal migration behavior
Animals
Cestoda
Female animals
Heaters
Helminths
Hot Temperature
Infections
Larval development
Nematoda
Nematode larvae
Old Medline
Parasite hosts
Rats
Temperature gradients
Trematoda
Worms
title Behavior of Parasitic Stages of Helminths in a Thermal Gradient
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