A pneumo-hydrostatic skeleton in land crabs

Jennifer R. A. Taylor; William M. Kier

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A pneumo-hydrostatic skeleton in land crabs

机译：陆地蟹的静液压静力学骨架

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Like their aquatic counterparts, terrestrial crabs repeatedly shed their rigid exoskeleton during moulting. But in the case of land crabs, little water is available to provide a temporary hydrostatic skeleton before the new skeleton hardens, and air does not provide the buoyancy necessary to support the animal. Here we show that whenever its exoskeleton is shed, the blackback land crab Gecarcinus lateralis relies on an unconventional type of hydrostatic skeleton that uses both gas and liquid (a 'pneumo-hydrostat').

机译：像它们的水生动物一样，陆生螃蟹在换羽过程中反复脱落其坚硬的外骨骼。但是对于陆地蟹来说，在新骨架变硬之前，几乎没有水可提供临时的静水骨架，并且空气不能提供支撑动物的浮力。在这里，我们显示出，只要掉下了外骨骼，黑背大螯蟹外侧car就依赖于使用气体和液体的非常规类型的静液压骨架（“气动静水器”）。

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《Nature》 |2006年第7087期|p.1005|共1页
作者
Jennifer R. A. Taylor; William M. Kier;
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作者单位

Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类自然科学总论;
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A pneumo-hydrostatic skeleton in land crabs

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