北京地区现代人群下颌骨特征

韩媛媛 景朋 王珍 刘丽 杜抱朴 高艳

解剖学报 ›› 2025, Vol. 56 ›› Issue (4) : 483-492.

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解剖学报 ›› 2025, Vol. 56 ›› Issue (4) : 483-492. DOI: 10.16098/j.issn.0529-1356.2025.04.014
人类学

北京地区现代人群下颌骨特征

  • 韩媛媛1 景朋2 王珍1 刘丽2,3 杜抱朴3, 4* 高艳3,4

作者信息 +

Characteristics of the human mandibles from Beijing region

  • HAN  Yuan-yuan1  JING  Peng2  WANG  Zhen1  LIU  Li2, 3  DU  Bao-pu3, 4*  GAO  Yan3, 4
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文章历史 +

摘要

目的 了解北京地区现代人群下颌骨特征。方法  选取北京地区现代人成年下颌骨193例标本(男性126人,女性67人)作为研究对象,测量22项下颌骨尺寸指标并计算其两性差异指数(SDI),同时选取8项下颌骨相关指数,与亚洲近-现代人群和中国北方新石器-历史时期人群展开对比。结果  北京现代人群以长狭下颌型为主。下颌骨尺寸的两性差异指数变异范围较大,其中下颌支最小高、下颌支高、下颌喙突高和下颌支最小宽的两性差异指数最高(SDI ≥10%)。北京现代人群下颌骨主要尺寸位于亚洲近-现代人群变异范围内,属于蒙古人种北方类型,但与中国其他北方人群相距较远。与中国北方古代人群相比,北京现代人群下颌骨整体更为纤细,但其下颌支高却显著大于前者。结论  本研究可为解析北京地区现代人群体质特征提供重要线索。

Abstract

Objective To study the mandibular characteristics of the modern population in Beijing region. Methods  In this study, we examined 22 measurements and their sexual dimorphism index (SDI) of 193 adult mandibles (126 males, 67 females) collected from the Beijing region. In addition, eight mandibular indexes were calculated. These mandibular dimensions of the Beijing population were compared with those of other modern and contemporary populations in Asia, as well as Neolithic-historical populations in Northern China. Results  The predominant mandibular index in the contemporary Beijing population was dolichostenomandibular. The SDI of mandibular size exhibited a wide range of variation. It was noteworthy the minimum height of mandibular ramus, height of mandibular ramus, height of coronoid process and minimum breadth of mandibular ramus demonstrate significant sexual dimorphism (SDI ≥10%). The mandibular size aligned with the variation range of modern and contemporary Asian populations, with the cluster analysis indicating an affiliation with Northern Mongoloids. But the Beijing population was far away from other Northern populations in China. The mandibular size was more gracile compared to ancient populations in Northern China, whereas the height of mandibular ramus was greater than those of the latter. Conclusion  This study provides valuable insights into the physical characteristics of modern populations in Beijing region.

关键词

北京 / 下颌骨尺寸 / 性别差异 / 纤细化 / 解剖学测量 / 现代人群

Key words

Beijing / Mandibular size / Sexual dimorphism / Gracilization / Anatomic measurement / Modern population

引用本文

导出引用
韩媛媛 景朋 王珍 刘丽 杜抱朴 高艳. 北京地区现代人群下颌骨特征[J]. 解剖学报. 2025, 56(4): 483-492 https://doi.org/10.16098/j.issn.0529-1356.2025.04.014
HAN Yuan-yuan JING Peng WANG Zhen LIU Li DU Bao-pu GAO Yan. Characteristics of the human mandibles from Beijing region[J]. Acta Anatomica Sinica. 2025, 56(4): 483-492 https://doi.org/10.16098/j.issn.0529-1356.2025.04.014
中图分类号: R322    G804.49   

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