Morphological Bases for Cell-to-Cell and Cell-to-Substrate Interaction Studies in Cephalopod Embryos

  • H.-J. Marthy
Part of the NATO ASI Series book series (NSSA, volume 99)


Cephalopod embryos not only are “remarkable” animals from anatomical, physiological, behavioural and, last but not least, aesthetical points of view; at pre-organogenetic stages, they also are “a suitable material for cell and tissue interaction studies” (1). In the present study, performed on embryos of the Mediterranean squid Loligo vulgaris, further evidence is given, that the embryos at early organogenetic stages (Fig. 1) are valuable as well for studying cell-to-cell and cell-to-substrate interactions. By means of the Scanning Electron Microscopy (SEM) good insight can be obtained as to the tissue architecture of the germ layers, the spatial distribution of the cells, the cells’ forms, surface structures and connections as well as to the surface structures of the cells’ common substrate, the yolk syncytium. Many of the SEM-illustrations speak for themselves from the “cell biological” aspect alone; however, regarding them, one should constantly keep in mind, that the various structures also directly express the actual determination state of the embryos at well defined steps of early organogenesis. The (more common) cell biological phenomena to be shown are, of course, also intimately linked to purely (squid-specific) “embryological” problems.


Primary Cilium Germ Layer Mesodermal Cell Animal Pole Shell Gland 
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Copyright information

© Plenum Press, New York 1985

Authors and Affiliations

  • H.-J. Marthy
    • 1
    • 2
  1. 1.Laboratoire Arago - U.A. 117 C.N.R.S.Banyuls-sur-merFrance
  2. 2.Université Pierre et Marie Curie (Paris VI)Banyuls-sur-merFrance

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