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Sites of encystment by the metacercariae of Echinoparyphium recurvatum in Lymnaea peregra

Published online by Cambridge University Press:  05 June 2009

M. E. Adam  and
J. W. Lewis
M. E. Adam
Affiliation:
Department of Biology, Royal Holloway and Bedford New College, University of London, Egham, Surrey, TW20 0EX
J. W. Lewis
Affiliation:
Department of Biology, Royal Holloway and Bedford New College, University of London, Egham, Surrey, TW20 0EX
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Abstract

Experimental infection of Echinoparyphium recurvatum von Linstow (Digenea: Echinostomatidae) cercariae in the snail second intermediate host Lymnaea peregra Müller shows that metacercarial encystment takes place on the lining of the mantle cavity, pericardial cavity and kidney lumen, with the mantle cavity the most preferred site. All three sites are accessible via the body openings. The metacercariae appear to be more susceptible to encapsulation in the visceral mass than in the cavity of the mantle, pericardium and the lumen of the kidney.

Keywords

Echinoparyphium recurvatummetacercariaeencystment sitesLymnaea peregraTrematoda
Type
Research Article
Information
Journal of Helminthology , Volume 66 , Issue 2 , June 1992 , pp. 96 - 99
Copyright
Copyright © Cambridge University Press 1992

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