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A light and electron microscope study of spherical structures in the test cells of an ascidianCiona intestinalis L.

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  • Anatomy, Histology
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Summary

Spherical structures in the test cells that surround the embryos of the ascidianCiona intestinalis L. (Tunicata, phylum Chordata) were studied by both light and electron microscope. Our data support the view that these structures are microorganism-like cells living in symbiosis with the test cells. Their possible role is discussed.

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Authors and Affiliations

  1. Institute of Zoology, University of Palermo, Via Archirafi 18, I-90123, Palermo, Italy

    C. Mansueto, G. D'Ancona Lunetta & L. Villa

  2. Institute of Histology, University of Palermo, Via Archirafi 20, I-90123, Palermo, Italy

    C. Mansueto, G. D'Ancona Lunetta & L. Villa

Authors
  1. C. Mansueto
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  2. G. D'Ancona Lunetta
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  3. L. Villa
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Additional information

Acknowledgment. The authors are indebted to the Institute of Comparative Anatomy of Palermo for the use of the Zeiss EM 9 Electron Microscope. Particular thanks to Mr Salvatore Bucculeri for his technical assistance.

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Mansueto, C., D'Ancona Lunetta, G. & Villa, L. A light and electron microscope study of spherical structures in the test cells of an ascidianCiona intestinalis L.. Experientia 40, 720–723 (1984). https://doi.org/10.1007/BF01949743

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  • DOI: https://doi.org/10.1007/BF01949743

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