Size variation and related implications of Chinese female mandibles in Holocene

LI Hai-jun* CHEN Feng ZHANG Yi-dan DAI Cheng-ping

doi:10.16098/j.issn.0529-1356.2018.04.019

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Acta Anatomica Sinica ›› 2018, Vol. 49 ›› Issue (4) : 529-534. DOI: 10.16098/j.issn.0529-1356.2018.04.019

Anthropology

Size variation and related implications of Chinese female mandibles in Holocene

LI Hai-jun^1,2* CHEN Feng¹ ZHANG Yi-dan³ DAI Cheng-ping¹

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Abstract

Objective To better understand variation of Holocene Chinese mandibular morphology, a study was conducted on 215 adult female mandibles. Methods In this study, 23 mandible measurement traits were measured using traditional anthropometric method. SPSS 18.0 software was used to carry out the average calculation of measurement trait data of each era and the significance test among different periods. Results The overall size of female mandibles decreased from the Neolithic to Bronze-Iron Ages to present day. The linear characters of the female mandiblular features varied between different time periods. The decrease of thickness of the mandibular corpus primarily occurred during the Neolithic to Bronze-Iron Ages. The decrease in main size and body height was during the Bronze-Iron Ages to present day. It is possible that mandibles became thinner before the overall size decreased. Conclusion The comparison shows that the evolvement trend of the mandibular of the Holocene female is basically consistent with that of male.

Key words

Holocene / Chinese mandible / Morphology / Microevolution / Measurement / Adult female

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LI Hai-jun CHEN Feng ZHANG Yi-dan DAI Cheng-ping. Size variation and related implications of Chinese female mandibles in Holocene[J]. Acta Anatomica Sinica. 2018, 49(4): 529-534 https://doi.org/10.16098/j.issn.0529-1356.2018.04.019

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