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首页> 外文期刊>Southeastern naturalist >Age and gender affect epiphyseal closure in white-tailed deer
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Age and gender affect epiphyseal closure in white-tailed deer

机译：年龄和性别影响白尾鹿的骨closure闭合

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摘要

Timing of epiphyseal closure determines length of long bones and thus body size, but factors affecting epiphyseal closure in Odocoileus virginianus (White-tailed Deer) have not been conclusively quantified. We collected morphometric data and radiographic images of the distal humerus, proximal radius, distal radius, and metacarpus on approximately 0.5-, 1.5-, 2.5-, and 3.5-year-old optimally nourished captive deer. Age affected closure of distal radial and metacarpal epiphyseal plates (P < 0.001), with all individuals exhibiting epiphyseal closure by 3.5 years of age. Gender affected closure of the distal radial epiphyseal plates (P = 0.036), with females closing prior to males. Differential bone growth rate prior to epiphyseal closure may be one mechanism by which individual and cohort phenotypic effects are manifested in cervids.
机译：骨closure闭合的时间决定了长骨的长度，从而决定了身体的大小，但是尚未确定量化影响维尔纽斯犬（白尾鹿）骨epi闭合的因素。我们收集了大约0.5、1.5、2.5、3.5和3.5岁最佳营养圈养鹿的肱骨远端，近端radius骨，远端radius骨和掌骨的形态学数据和射线照相图像。年龄影响radial骨和meta骨远端distal骨板的闭合（P <0.001），所有个体到3.5岁时均表现出epi骨闭合。性别影响radial骨远端plates骨板的关闭（P = 0.036），女性先于男性关闭。骨phy闭合之前的差异性骨生长速率可能是一种在子宫颈中表现出个体和队列表型效应的机制。

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