Amphibian Amplexus in Microgravity
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概要
- 論文の詳細を見る
We report here on the amplectic behavior of the Japanese treefrog (Hyla japonica) in microgravity. Treefrogs were exposed to 35 cycles of altered gravity, including ≈ 1.5 sec of G<0.l every 3 min and 15 sec, on the FreeFall "G.0" ride at Space World amusement park in Kitakyushu, Japan. During this period a pair of frogs spontaneously entered and maintained amplexus for 1 hr 20 min, before being removed from the ride. In freefall, the pair extended their hindlimbs in the characteristic posture of treefrogs in microgravity. This is the first report of a vertebrate entering and sustaining a copulatory or amplectic posture under gravitational extremes, including true freefall. These observations bode well for the potential of anurans to breed in microgravity and to be used for biological research in space.
- 社団法人日本動物学会の論文
- 1995-02-15
著者
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YAMASHITA Masamichi
Institute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA)
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IZUMI-KUROTANI Akemi
Institute of Space and Astronautical Science
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YAMASHITA Masamichi
Space Utilization Research Center, Institute of Space and Astronautical Science
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Naitoh Tomio
Department of Biological Science, Shimane University
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Naitoh Tomio
Department Of Biological Science Faculty Og Life And Environmental Science Shimane University
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Naitoh Tomio
Department Of Biological Science Shimane University
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Izumi-kurotani Akemi
Space Utilization Research Center Institute Of Space And Astronautical Science
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YOKOTA Shigefumi
Department of Anatomy and Morphological Neuroscience, Shimane University School of Medicine
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Yokota Shigefumi
Department Of Anatomy And Morphological Neuroscience Shimane University School Of Medicine
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Yokota S
Hiroshima Univ. Higashi‐hiroshima Jpn
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Wassersug J.
Department of Anatomy and Neurobiology, Dalhousie University
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Wassersug J.
Department Of Anatomy And Neurobiology Dalhousie University
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Yasujima Minoru
Dep. Of Lab. Medicine Hirosaki Univ. Graduate School Of Medicine
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