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Reaction patterns of dark- and light-adaptedHydra to light stimuli

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Zusammenfassung

Die Kontraktionsintensität bleibt auch dann unverändert, wenn die Polypen vonHydra attenuata dem Dunkel-Hell-Wechsel (je 2 min) während 3 h ausgesetzt werden. Dunkeladaptierte Hydren reagieren auf Lichtreize auffallend empfindlicher als bei 3000 Lux helladaptierte Tiere.

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Authors and Affiliations

  1. Zoologisches Institut der Universität, 8006, Zürich, Switzerland

    P. Tardent & E. Frei

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  1. P. Tardent
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  2. E. Frei
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Additional information

These investigations were generously supported by a grant (No. 3991) from the ‘Schweizerische Nationalfonds zur Förderung der wissenschaftlichen Forschung’.

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Tardent, P., Frei, E. Reaction patterns of dark- and light-adaptedHydra to light stimuli. Experientia 25, 265–267 (1969). https://doi.org/10.1007/BF02034382

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  • DOI: https://doi.org/10.1007/BF02034382

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