[Ultrastructural study of embryonic development in Grantia compressa F. (Porifera, Calcarea)].

  • M F Gallissian
  • Published 1983 in
    Archives d'anatomie microscopique et de…


The embryonic development of Grantia compressa is studied by means of the electron microscope from the blastula inside the mesenchyme to the mature amphi-blastula released in the excurrent canals. The study of the different cellular categories of the embryon shows the distribution of the vitellin inclusions and their evolution. The ultrastructure of the… (More)


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