NASAL SHAPE PROGNATHISM AND ADAPTATION IN MAN

被引:44
作者
GLANVILL.EV
机构
[1] Institute of Human Biology, State University, Utrecht
关键词
D O I
10.1002/ajpa.1330300104
中图分类号
Q98 [人类学];
学科分类号
030303 ;
摘要
The association between nasal shape, prognathism and the shape of the maxillary dental arch has been examined within samples of Negro and European skulls. Prognathism tends to be accompanied by an increasingly broad and short nose. Particularly high correlations exist between nasal height and the length of the cranial base and between nasal breadth and the distance which separates the upper canine teeth. Regression analysis has yielded quantitative estimates of the effect on a given dimension of variation in one or more of the others. It seems probable that both nasal shape and the maxillary dental arch‐prognathism complex may be subject to direct selection by environmental stress. The morphological association between these complexes suggests that a part of the interpopulation variation in prognathism may be a secondary effect of selection acting on the nose. Similarly, selection acting on the dental arch or maxilla could produce secondary changes in the nasal index (i.e. a non‐adaptive component of nasal variation). Copyright © 1969 Wiley‐Liss, Inc., A Wiley Company
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页码:29 / &
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