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Studies on the invasion of Notocotylus attenuatus (Notocotylidae: Digenea) into its snail host Lymnaea peregra: the contents of the fully embryonated egg

Published online by Cambridge University Press:  06 April 2009

R. J. Murrills ,
T. A. J. Reader  and
V. R. Southgate
R. J. Murrills
Affiliation:
Department of Biological Sciences, Portsmouth Polytechnic, King Henry I Street, Portsmouth, Hants P01 2DY
T. A. J. Reader
Affiliation:
Department of Biological Sciences, Portsmouth Polytechnic, King Henry I Street, Portsmouth, Hants P01 2DY
V. R. Southgate
Affiliation:
Department of Zoology, British Museum (Natural History), Cromwell Road, South Kensington, London SW7 5BD
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Extract

The fully embryonated egg of Notocotylus attenuatus is shown to contain a sporocyst, an opercular cord and apparently 2 cells which are situated outside the sporocyst. One of these cells is rich in glycogen whereas the other contains a variety of inclusions. These contents are indicative of a truncated life-cycle which omits the miracidium, an observation as yet unique among the Digenea.

Type
Research Article
Information
Parasitology , Volume 91 , Issue 2 , October 1985 , pp. 397 - 405
Copyright
Copyright © Cambridge University Press 1985

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References

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