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VI.—Maturation and Fertilization in Two Digenetic Trematodes, Haplometra cylindracea (Zeder 1800) and Fasciola hepatica (L.)*

Published online by Cambridge University Press:  11 June 2012

Ann R. Sanderson
Ann R. Sanderson
Affiliation:
Department of Natural History, Queen's College, University of St Andrews.
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Extract

Some time ago, in a short article on maturation in the liver fluke Fasciola hepatica (L.), Sanderson (1953) suggested that development might be gynogenetic on the grounds that she was unable to find any second maturation division nor any polar bodies. Nevertheless, the presence of two large “pronuclei” seemed to point to normal zygogenesis. Unable to come to any definite conclusion the author decided to investigate maturation in another digenetic trematode, Haplometra cylindracea (Zeder 1800) when ample supplies came to hand from class dissections of frogs.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh, Section B: Biological Sciences , Volume 67 , Issue 2 , 1959 , pp. 83 - 98
Copyright
Copyright © Royal Society of Edinburgh 1959

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Footnotes

*

This paper was assisted in publication by a grant from the Carnegie Trust for the Universities of Scotland.

References

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