期刊文献+

Comparative study of the mechanical properties,micro-structure,and composition of the cranial and beak bones of the great spotted woodpecker and the lark bird 被引量:9

Comparative study of the mechanical properties,micro-structure,and composition of the cranial and beak bones of the great spotted woodpecker and the lark bird
原文传递
导出
摘要 Woodpeckers are well able to resist head injury during repeated high speed impacts at 6-7 m s-1 with decelerations up to 1000 g.This study was designed to compare the mechanical properties,microstructures and compositions of cranial bone and beak bone of great spotted woodpecker(Dendrocopos major) and the Mongolian sky lark(Melanocorypha mongolica).Microstructures were observed using micro-computed tomography and scanning electron microscopy and their compositions were characterized by X-ray powder diffraction and Fourier-transform infrared spectroscopy.Under high stress,the cranial bone and the beak of the woodpecker exhibited distinctive mechanical features,which were associated with differences in micro-structure and composition,compared with those of the lark.Evolutionary optimization of bone micro-structure has enabled functional adaptation to the woodpecker's specific lifestyle.Its characteristic micro-structure efficiently avoids head impact injury and may provide potential clues to the prevention of brain injury using bio-inspired designs of shock-absorbing materials. Woodpeckers are well able to resist head injury during repeated high speed impacts at 6-7 m s-1 with decelerations up to 1000 g.This study was designed to compare the mechanical properties,microstructures and compositions of cranial bone and beak bone of great spotted woodpecker(Dendrocopos major) and the Mongolian sky lark(Melanocorypha mongolica).Microstructures were observed using micro-computed tomography and scanning electron microscopy and their compositions were characterized by X-ray powder diffraction and Fourier-transform infrared spectroscopy.Under high stress,the cranial bone and the beak of the woodpecker exhibited distinctive mechanical features,which were associated with differences in micro-structure and composition,compared with those of the lark.Evolutionary optimization of bone micro-structure has enabled functional adaptation to the woodpecker's specific lifestyle.Its characteristic micro-structure efficiently avoids head impact injury and may provide potential clues to the prevention of brain injury using bio-inspired designs of shock-absorbing materials.
出处 《Science China(Life Sciences)》 SCIE CAS 2011年第11期1036-1041,共6页 中国科学(生命科学英文版)
基金 supported by the National Natural Science Foundation of China (Grant Nos. 10925208 and 11120101001)
关键词 WOODPECKER head mechanical property MICRO-STRUCTURE COMPOSITION 大斑啄木鸟 力学性能 微结构 云雀 头部 组成 X-射线粉末衍射 扫描电子显微镜
  • 相关文献

参考文献25

  • 1Darwin C. The Origin of Species by Means of Natural Selection. 6th ed. London: Senate, 1872.
  • 2Spring L W. Climbing and pecking adaptations in some north american woodpecker. Condor, 1965, 67:457-488.
  • 3May P R, Fuster J M, Haber J, et al. Woodpecker drilling behavior-- an endorsement of the rotational theory of impact brain injury. Arch Neurol, 1979, 36:370--373.
  • 4Bock W J. Functional and evolutionary morphology of woodpecker. Ostrich, 1999, 70:23-31.
  • 5Gibson L J. Woodpecker pecking: how woodpeckers avoid brain injury. J Zool, 2006, 270:462-465.
  • 6Oda J, Sakamoto J, Sakano K. Mechanical evaluation of the skeletal structure and tissue of the woodpecker and its shock absorbing system. JSME Int J Ser A, 2006, 49:390-396.
  • 7Bock W J. An approach to the funcitional analysis of bill shape. Auk, 1966, 83:10-51.
  • 8Herrel A, Podos J, Huber S K, et al. Evolution of bite force in Darwin's finches: a key role for head width. J Evol Biol, 2005, 18: 669-675.
  • 9Degrange F J, Tambussi C P, Moreno K, et al. Mechanical analysis of feeding behavior in the extinct "terror bird" Andalgalornis steulleti (Gruiformes: Phorusrhacidae). PLoS ONE, 2010, 5:e11856.
  • 10May P R, Fuster J M, Newman P, et al. Woodpeckers and head injury. Lancet, 1976, 1:454-455.

同被引文献79

引证文献9

二级引证文献50

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部