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  • 1965-1969  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of comparative physiology 51 (1965), S. 60-66 
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Summary No difference could be found in the directional orientation of intact and antennaeless stick insects which walked in darkness upwards on a vertical plane. From this, one cannot conclude that there are no gravity receptors in the antennae. In a second experiment, the direction of the weight of the body relative to the legs was inverted, thereby reversing the direction of the load on the gravity receptors located in the leg joints. Were the gravity receptors located only in the legs, the animals would be expected to walk downwards under these conditions. However, they only do this if the antennae are amputated. It is concluded that there are gravity receptors in or on the antennae of the walking sticks.
    Notes: Zusammenfassung Antennenlose Stabheuschrecken laufen im Dunkeln auf einer vertikalen Fläche nicht schlechter nach oben als völlig intakte Tiere. Man darf daraus aber nicht schließen, die Antennen seien für die Schwereorientierung um die Hochachse bedeutungslos. Ihr Einfluß zeigte sich erst in einer Situation, in der die schon bekannten Schwererezeptoren in den Beinen über die Schwerkraftrichtung getäuscht und gegen die Antennen ausgespielt wurden. An der Schwereorientierung der Stabheuschrecke sind also neben den Beinrezeptoren auch Sinnesorgane in oder an den Antennen beteiligt.
    Type of Medium: Electronic Resource
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