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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Cell & tissue research 148 (1974), S. 437-440 
    ISSN: 1432-0878
    Keywords: Amoeboid pigment cell ; Colour change ; Echinoidea ; Light-sensitivity ; Interference contrast microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: 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.
    Type of Medium: Electronic Resource
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