The fine structure of the midgut epithelium in Xerobiotus pseudohufelandi (Iharos, 1966) (Tardigrada, Eutardigrada, Macrobiotidae)

Submitted: 27 March 2013
Accepted: 27 March 2013
Published: 26 April 2013
Abstract Views: 2791
PDF: 595
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The aims of our studies were to describe the ultrastructure of the midgut epithelial cells of the eutardigrade Xerobiotus pseudohufelandi and to determine if there are any differences in the ultrastructure of midgut epithelial cells between males and females. The analysis was performed with the use of the light and transmission electron microscopes. In X. pseudohufelandi the midgut epithelium is composed of digestive cells, but in the anterior portion of the midgut a group of cells with different ultrastructure has been observed. Histochemical staining showed the accumulation of reserve material in the cytoplasm of digestive cells. We suggest that some of them fulfil the role of regenerative cells (crescent-like cells, midgut stem cells), whereas others are differentiating cells which form new digestive cells. No differences in the ultrastructure of the midgut epithelium between males and females were distinguished except in the amount of multivesicular bodies.

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Magdalena M. Rost-Roszkowska, University of Silesia
Department of Animal Histology and Embryology
Izabela Poprawa, University of Silesia
Department of Animal Histology and Embryology
Marta Hyra, University of Silesia
Department of Animal Histology and Embryology
Monika Marek-Swędzioł, University of Silesia
Department of Animal Histology and Embryology
Łukasz Kaczmarek, A. Mickiewicz University
Department of Animal Taxonomy and Ecology

How to Cite

Rost-Roszkowska, Magdalena M., Izabela Poprawa, Marta Hyra, Monika Marek-Swędzioł, and Łukasz Kaczmarek. 2013. “The Fine Structure of the Midgut Epithelium in Xerobiotus Pseudohufelandi (Iharos, 1966) (Tardigrada, Eutardigrada, Macrobiotidae)”. Journal of Limnology 72 (s1):e7. https://doi.org/10.4081/jlimnol.2013.s1.e7.

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