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| Biological screw joint ： ウィキペディア英語版 |
Biological screw joint
The biological screw joint is a naturally occurring form of the screw joint, a mechanical device that combines rotational movement with single-axis translation. Scientists from Karlsruhe State Museum of Natural History and Karlsruhe Institute of Technology discovered it in specimens of ''Trigonopterus oblongus'', a weevil found in Papua.
==Discovery==
Anatomical examination of specimens of ''Trigonopterus oblongus'', provided by the Karlsruhe State Museum of Natural History, using a microtomograph at the Institute of Synchrotron Radiation (ANKA) of Karlsruhe Institute of Technology revealed that the weevils had a nut-and-screw system for the hip-leg joint. This discovery was made by Alexander Riedel of the Karlsruhe State Museum of Natural History and Karlsruhe Institute of Technology's Thomas van de Kamp.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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