Bone histological correlates of soaring and high-frequency flapping flight in the furculae of birds.

Bone histological correlates of soaring and high-frequency flapping flight in the furculae of birds.
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鸟类分叉翱翔和高频扑动飞行的骨组织学相关性

DOI:
10.1016/j.zool.2017.03.004
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发表时间:
2017
期刊:
影响因子:
2
通讯作者:
J. Cubo
J. Cubo
中科院分区:
生物学3区
文献类型:
--
作者:
Mitchell;L. J. Legendre;C. Lefèvre;J. Cubo

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叉骨是鸟类的一种特殊骨骼,与飞行功能有关。其形态已被证明反映了不同的飞行风格,从滑翔/滑翔鸟类,水下飞行到高频扑翼飞行。叉状体所经历的应变可以根据飞行类型而变化。骨重建是对不同应变大小和类型引起的损伤的反应。在这项研究中,我们测试了是否骨微结构特征,即哈弗骨密度,不同的飞行风格的鸟类不同,并重新评估以前的工作,采用系统发育比较方法,假设一个进化模型与其他类群。我们发现,翱翔的鸟类有较高的哈弗氏骨密度比鸟类与扑翼式的飞行。这一结果可能与这样一个事实有关,即飞翔鸟类的叉提供的前伸力比其他飞行方式的鸟的叉小,而下压力比其他飞行方式的鸟的叉大。整个骨面积是另一个解释因素,这证实了大小是哈弗氏骨发育的重要考虑因素。然而,所有的鸟类都在它们的叉中显示出哈弗氏骨发育,其他因素如年龄可能会影响哈弗氏骨发育的反应。
The furcula is a specialized bone in birds involved in flight function. Its morphology has been shown to reflect different flight styles from soaring/gliding birds, subaqueous flight to high-frequency flapping flyers. The strain experienced by furculae can vary depending on flight type. Bone remodeling is a response to damage incurred from different strain magnitudes and types. In this study, we tested whether a bone microstructural feature, namely Haversian bone density, differs in birds with different flight styles, and reassessed previous work using phylogenetic comparative methods that assume an evolutionary model with additional taxa. We show that soaring birds have higher Haversian bone densities than birds with a flapping style of flight. This result is probably linked to the fact that the furculae of soaring birds provide less protraction force and more depression force than furculae of birds showing other kinds of flight. The whole bone area is another explanatory factor, which confirms the fact that size is an important consideration in Haversian bone development. All birds, however, display Haversian bone development in their furculae, and other factors like age could be affecting the response of Haversian bone development.
DOI: 10.1093/icb/39.2.374
发表时间: 1999-04
影响因子: 2.6
作者:
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发表时间: 1993-03-01
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DOI: --
发表时间: --
期刊:
影响因子: --
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通讯作者: A. Hrdlička
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期刊: The Anatomical Record
影响因子: --
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DOI: 10.1002/ar.1091610309
发表时间: 1968-01-01
期刊: ANATOMICAL RECORD
影响因子: --
作者:
ASCENZI, A;BONUCCI, E
通讯作者: BONUCCI, E