Fusion patterns of craniofacial sutures in rhesus monkey skulls of known age and sex from Cayo Santiago.

Fusion patterns of craniofacial sutures in rhesus monkey skulls of known age and sex from Cayo Santiago.
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圣地亚哥岛已知年龄和性别的恒河猴头骨颅面缝合线的融合模式。

DOI:
10.1002/ajpa.20481
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发表时间:
2006
影响因子:
2.8
通讯作者:
Dechow,PaulC
Dechow,PaulC
中科院分区:
地球科学2区
文献类型:
--
作者:
Wang,Qian;Strait,DavidS;Dechow,PaulC

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面部骨骼和颅骨在骨缝边界处相接。这些骨缝对颅面生长非常重要。虽然已经研究了缝线对调节颅面应变的影响,但缝线融合如何影响灵长类颅面生物力学和适应性却很少被考虑。混淆这个问题是缺乏任何系统的数据模式颅面缝融合已知的年龄和性别的动物。本研究检查了来自波多黎各圣地亚哥岛的已知年龄和性别的猕猴头骨中28条缝线的状态。生存分析显示,大多数动物在所有缝线融合前死亡。M中单个缝线或缝线部分融合的年龄差异很大。mulatta,和地区之间和男性和女性之间的缝融合量的显着差异。在5岁到15岁之间进行了密集的缝合融合。面部区域的缝线融合程度往往低于颅穹窿。在青春期和成年期之间,男性往往比女性有更多的缝线融合,特别是在面部区域。这些差异可能是个体发育过程中对颅面两性异形的生物力学适应。这些发现丰富了我们对恒河猴缝形态变异的理解。灵长类物种之间的比较信息是必不可少的,以了解整个灵长类动物进化的颅面形态的生物力学。Am J Phys Anthropol,2006年。© 2006 Wiley利斯公司
Bones of the face and cranial vault meet at sutural boundaries. These sutures are of great importance for craniofacial growth. Although the effects that the sutures have on modulating craniofacial strains have been investigated, how sutural fusion influences primate craniofacial biomechanics and adaptation are less considered. Confounding this problem is the lack of any systematic data on patterns of craniofacial sutural fusion from animals of known age and sex. This study examined the status of 28 sutures inMacaca mulattaskulls from a collection of animals of known age and sex from Cayo Santiago, Puerto Rico. Survival analysis showed that most animals died before all sutures fused. There was high variation in the age at which individual sutures or sutural sections were fused inM. mulatta, and significant differences in the amount of sutural fusion among regions and between males and females. Intensive fusion of sutures took place between ages 5 and 15. Sutures in the facial area tended to be less fused than in the cranial vault. Between adolescence and adulthood, males tended to have more sutural fusion than females, especially in the facial area. These differences might be biomechanical adaptations during ontogeny to craniofacial sexual dimorphism. These findings enrich our understanding of variation in sutural morphology in rhesus monkeys. Comparative information across primate species is essential for understanding the biomechanics of craniofacial form throughout primate evolution. Am J Phys Anthropol, 2006. © 2006 Wiley‐Liss, Inc.
头骨的老化
DOI: --
发表时间: 1938
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简化是联孔类颅骨进化的趋势
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