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Corrective note about R* cells of the digestive gland of the shore crab Carcinus maenas
Loret, S.M.; Devos, P.E. (1995). Corrective note about R* cells of the digestive gland of the shore crab Carcinus maenas. Cell Tissue Res. 280(2): 401-405.
In: Cell and Tissue Research. Springer: Berlin; Heidelberg. ISSN 0302-766x, more
Peer reviewed article  

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    Carcinus maenas (Linnaeus, 1758) [WoRMS]; Marine
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  • Loret, S.M.
  • Devos, P.E.

    In a previous paper, we described and discussed the possible functions of calcospherite-rich cells (R* cells) in the digestive gland of the shore crab, Carcinus maenas. We recently realised that electron micrographs in this publication presented neither typical R* cells nor their calcium phosphate granules. Indeed, our pictures showed spermatophores (filled with typical spermatozoa) that had contamined hepatopancreatic cell suspensions. As the present study indicates, this contamination is difficult to detect by optical microscopy because unstained R* cells closely resemble spermatophores. However, morphological differences between these cell types appear clearly when observed by electron microscopy. The present paper describes a comparative study of cell populations isolated from female digestive glands; it validates our previous results obtained with male hepatopancreas and suggests a low containation of those male cell fractions by spermatophores.

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