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Ultrastrukturelle Untersuchungen zur Morphologie und Genese der Spermien von Archaeogastropoda

Ultrastructural investigations on the morphology and genesis of sperms in Archaeogastropoda

Helgoländer Meeresuntersuchungen volume 36, pages 77–84 (1983)Cite this article

Abstract

The sperm cells ofPatella coerulea (Patellacea),Monodonta turbinata, andGibbula tumida (Trochacea) were investigated by means of transmission electron microscopy. They belong to the primitive type (sensu Franzén) and have more features in common with primitive Bivalvia sperms than with Neritacea. Their head contains an apical acrosome and a roundish nucleus followed by 4 or 5 mitochondria and a centriolar apparatus which consists of two centrioles, one of which bears a flagellum. The sperm cells ofMonodonta andGibbula are very similar to each other and differ mainly in size;Patella exhibits more differences (very small acrosome, subacrosomal space, variable number of spherical mitochondria (origin of spermic dimorphism ?). The development of the sperm cells shows no peculiarities.

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Author notes

  1. R. Kohnert

    Present address: Abteilung Pathologie, Hospitalstr. 42, D-2300, Kiel, FRG

Authors and Affiliations

  1. Zoologisches Institut der Universität, Olshausenstr. 40–60, D-2300, Kiel, Bundesrepublik Deutschland

    R. Kohnert

  2. Zoologisches Institut der Universität, Im Neuenheimer Feld 230, D-6900, Heidelberg, Bundesrepublik Deutschland

    V. Storch

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  1. R. Kohnert
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  2. V. Storch
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Unterstützt durch die Deutsche Forschungsgemeinschaft (DFG Sto 75/4 ff).

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Kohnert, R., Storch, V. Ultrastrukturelle Untersuchungen zur Morphologie und Genese der Spermien von Archaeogastropoda. Helgolander Meeresunters 36, 77–84 (1983). https://doi.org/10.1007/BF01995797

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Helgoland Marine Research

ISSN: 1438-3888

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