Cell and Tissue Research

, Volume 148, Issue 3, pp 437–440

Light-sensitivity of isolated pigment cells of the sea urchin Centrostephanus longispinus

  • W. Weber
  • M. Dambach
Short Communication

Summary

Pigment cells isolated from the epithelium of the sea urchin Centrostephanus longispinus display light-sensitivity in the same manner as in normal tissue. In complete darkness they have a round to ovoid shape. On illumination a successive extension of pigment-bearing processes can be observed. Darkness leads to a successive retraction of the pseudopodia.

Key words

Amoeboid pigment cell Colour change Echinoidea Light-sensitivity Interference contrast microscopy 

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Copyright information

© Springer-Verlag 1974

Authors and Affiliations

  • W. Weber
    • 1
  • M. Dambach
    • 1
  1. 1.Zoological Institute, Department of Animal PhysiologyUniversity of CologneGermany

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