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Updated: Aug 29, 2026

A Capsule-Based Model for Immature Hard Tick Stages Infestation on Laboratory Mice
Published on: July 9, 2020
Abstract:
Analysis of original and literary data permits to conclude that the life cycle in Orthonectida may be characterized as a monohost--monoxenous one, including regular interchange of three generations: asexual and parthenogenetic ones, which are represented by parasitic plasmodiums, and sexual generation, represented by free living and non-feeding males and females or, rarely, hermaphrodites. The sexual individuals are bilaterial, while the parasitic ones are anaxonic. The life cycle of Orthonectida includes the agamic reproduction, apomictic parthenogenesis and sexual reproduction regularly following one another. The life cycle of Orthonectida can be considered as a combination of metagenesis and heterogony. So far, such combination has not been described in any group of metazoan parasites.
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