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Further cytochemical studies of the mucopolysaccharides of the test cells of Ciona intestinalis L.

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Summary

A morphological and cytochemical study (mucopolysaccharides, proteins and DNA) was made of the test cells of oocytes of Ciona intestinalis collected in February, April, July and September.

The tests revealed an increase in the number of PAS-positive test cells in oocytes of 60–80 μ and of 90–100 μ during February and April and a parallel increase during these periods of mitotic activity in the cells in question. The findings obtained in this study, a continuation of earlier investigations, are discussed in the light of the possible links that might be established between the vic-glycol groups of the neutral mucopolysaccharides and the proteins.

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Authors and Affiliations

  1. IInd Chair of Histology and Embryology, University of Naples, Italy

    Giovanni Materazzi & Lucia Vitaioli

  2. Institute of Anatomy and Histology, University of Camerino, Italy

    Giovanni Materazzi & Lucia Vitaioli

  3. Zoological Station, Naples

    Giovanni Materazzi & Lucia Vitaioli

Authors
  1. Giovanni Materazzi
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  2. Lucia Vitaioli
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Additional information

This investigation was carried out in part at the Zoological Station, Naples, using a study post of the National Research Council of Italy.

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Materazzi, G., Vitaioli, L. Further cytochemical studies of the mucopolysaccharides of the test cells of Ciona intestinalis L.. Histochemie 19, 58–63 (1969). https://doi.org/10.1007/BF00305962

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  • DOI: https://doi.org/10.1007/BF00305962

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