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首页> 外文期刊>Зоологический журнал >FREQUENCY OF CEMENTUM DEPOSITS IN TERMINAL SYNCLINES OF EURASIAN REPRESENTATIVES OF THE TRIBE LEMMINI (RODENTIA, ARVICOLINAE)
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FREQUENCY OF CEMENTUM DEPOSITS IN TERMINAL SYNCLINES OF EURASIAN REPRESENTATIVES OF THE TRIBE LEMMINI (RODENTIA, ARVICOLINAE)

机译：欧亚人代表的终端沉积物频率（欧亚人代表）欧亚林米尼（雄虫，Arvicolinae）

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摘要

The data for five contemporary representatives of the genus Lemmus and for the species of Myopus schisticolor (wood lemming) are presented. The influence of age, sex, and jaw side (right or left) on the frequency of cementum deposits in terminal synclines was studied in different Eurasian forms of lemmings from the tribe Lemmini Some distinctions in the frequency of the parameter studied between forms of lemmings were revealed. The dependence between the frequency of the studied parameter and sex and age was found. The gender x age interaction, differences in age dynamics of some forms were shown. Evolutionary trends of changing the frequency of cementum deposits in certain synclines within the genus Lemmus based on the comparison of own and literary data were revealed. For Eurasian representatives of the genus Lemmus among the considered parameters, the main evolutionary change from the Late Pleistocene to the present is an increase in the frequency of cementum deposits in the lingual terminal syncline of the first lower molar. Among modern forms, L. lemmus and L. s. sibiricus (Norwegian lemmings and nominative subspecies of Siberian lemming) are distinguished by the most advanced features of the parameter considered. According to this characteristic, L. portenkoi (Portenko's lemming) and M. schisticolor are at the level of Late Pleistocene representatives of the genus Lemmus.
机译：介绍了LEMMUS属的五个当代代表的数据和肌瘤脑脑肌肌肌肌肌肌（木狐猴）。在不同的欧亚同伴中，在不同的欧亚沉积物中，从部落LEMMINI的不同欧亚沉积物中的溃疡沉积物频率对水泥沉积物的频率的影响有所不同，在lemmings的形式研究的参数的频率中存在一些区别透露。发现了学习参数和性别和年龄频率之间的依赖。表现出各种形式的年龄动态的性别x年龄相互作用。揭示了基于自身和文学数据的比较，改变了在Lemmus属中某些同胞苷内的水泥沉积频率的进化趋势。对于所考虑的参数中的欧亚代表的欧亚代表，来自晚期优质烯的主要进化变化是第一个下摩尔的舌末端偶联态沉积物中的水泥沉积频率的增加。在现代形式中，LEMMUS和L.S。 Sibiricus（挪威人的lemmings和西伯利亚lemming的提名亚种）都是由考虑参数的最先进的特征而区分。根据这一特征，L.Portenkoi（Portenko的lemming）和M. Schisticolor正在Lemmus属的晚熟代表的水平。

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