Ultrastructure of the eggs of Polymorphus magnus (Acanthocephala, Polymorphidae)

The ultrastructure of Polymorphus magnus acanthocephalan eggs has been studied. The eggshell consists of four envelopes that are morphologically similar to those of the eggs of other Palaeacanthocephala representatives. The studied acanthors are formed by the cortical syncytium and "central nuc...

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Bibliographic Details
Main Author: Nikishin V.P.
Format: Article
Language:English
Published: EDP Sciences 2004-03-01
Series:Parasite
Subjects:
egg
Online Access:http://dx.doi.org/10.1051/parasite/200411133
Description
Summary:The ultrastructure of Polymorphus magnus acanthocephalan eggs has been studied. The eggshell consists of four envelopes that are morphologically similar to those of the eggs of other Palaeacanthocephala representatives. The studied acanthors are formed by the cortical syncytium and "central nuclear mass". In the anterior part of acanthors there is a penetration gland. Its secret may provide the larvae migration into intermediate host's organism. "Central nuclear mass" consists of several germinative nuclei and numerous fibrillar bodies, formed as a result of germinative nuclei degradation.
ISSN:1252-607X
1776-1042