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首页> 外文期刊>The anatomical record: advances in integrative anatomy and evolutionary biology >Maximum Bony Gape in Primates
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Maximum Bony Gape in Primates

机译：最大的骨骨胶在灵长类动物中

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Maximum jaw gape has important functional implications for behavior and feeding habits in primates. It has been suggested that gape is correlated to canine height and ingested food size. Extending these correlations to the fossil record would provide insights about the diets and/or social behavior of extinct primates. However, this can be problematic due to uncertainty about size and location of musculature, and it depends on reliability and repeatability of maximum gape estimation using only skeletal elements. In this study, maximum bony gape (MBG) was estimated using reliable landmarks and repeatable methods. The cranium was fixed in position and then the mandible was rotated and translated to the point immediately prior to loss of condyle-glenoid contact. Then it was photographed in a steady position using an adjustable wooden frame. This protocol allowed for photographs and linear measurements to be obtained for many museum specimens in a short time. The sample included 203 individuals, representing 42 species of primates. When scaled for body size, linear MBG correlates with maximum anesthetized gape (Hylander: Am J Phys Anthropol 150 (2013) 247-259), ingested food size (Perry and Hartstone-Rose: Am J Phys Anthropol 142 (2010) 625-635), and canine length but not condylar height. Anat Rec, 302:215-225, 2019. (c) 2018 Wiley Periodicals, Inc.
机译：最大下颌Gape对灵长类动物中的行为和喂养习惯具有重要的功能影响。有人提出，Gape与犬高度和摄入的食物大小相关。向化石记录扩展这些相关性将提供关于灭绝灵长类动物的饮食和/或社会行为的见解。然而，由于肌肉结构的规模和位置的不确定度，这可能是有问题的，并且它取决于仅使用骨骼元素的最大Gape估计的可靠性和可重复性。在这项研究中，使用可靠的地标和可重复的方法估计最大骨胶（MBG）。颅骨固定在位置，然后将下颌骨旋转并在损失髁盂接触之前立即转换为点。然后使用可调节的木制框架在稳定位置拍摄。该协议允许在短时间内为许多博物馆标本获得照片和线性测量。样品包括203个个体，代表42种最灵长类动物。当体尺寸缩放时，线性MBG与最大麻醉剂相关（Hylander：AM J Phys Anthroploply 150（2013）247-259），摄入的食物规模（Perry和Hartstone-Rose：AM J Phys Anthopol 142（2010）625-635 ）和犬长但不是髁高。 ANAT REC，302：215-225,2019。（c）2018年Wiley期刊，Inc。

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