成人颅骨蝶骨基角的测量分析
Metric analysis of basal sphenoid angle in adult human skulls.
作者信息
Netto Dante Simionato, Nascimento Sergio Ricardo Rios, Ruiz Cristiane Regina
机构信息
Centro Universitário São Camilo, São Paulo, SP, Brazil.
出版信息
Einstein (Sao Paulo). 2014 Sep;12(3):314-7. doi: 10.1590/s1679-45082014ao2933.
OBJECTIVE
To analyze the variations in the angle basal sphenoid skulls of adult humans and their relationship to sex, age, ethnicity and cranial index.
METHODS
The angles were measured in 160 skulls belonging to the Museum of the Universidade Federal de São Paulo Department of Morphology. We use two flexible rules and a goniometer, having as reference points for the first rule the posterior end of the ethmoidal crest and dorsum of the sella turcica, and for the second rule the anterior margin of the foramen magnum and clivus, measuring the angle at the intersection of two.
RESULTS
The average angle was 115.41°, with no statistical correlation between the value of the angle and sex or age. A statistical correlation was noted between the value of the angle and ethnicity, and between the angle and the horizontal cranial index.
CONCLUSION
The distribution of the angle basal sphenoid was the same in sex, and there was correlation between the angle and ethnicity, being the proportion of non-white individuals with an angle >125° significantly higher than that of whites with an angle >125°. There was correlation between the angle and the cranial index, because skulls with higher cranial index tend to have higher basiesfenoidal angle too.
目的
分析成年人类蝶骨基底部角度的变化及其与性别、年龄、种族和颅指数的关系。
方法
对圣保罗联邦大学形态学系博物馆的160个头骨进行角度测量。我们使用两把软尺和一个测角仪，第一把软尺的参考点为筛嵴后端和蝶鞍背，第二把软尺的参考点为枕骨大孔前缘和斜坡，测量两者相交处的角度。
结果
平均角度为115.41°，角度值与性别或年龄之间无统计学相关性。角度值与种族之间以及角度与水平颅指数之间存在统计学相关性。
结论
蝶骨基底部角度在性别上分布相同，角度与种族之间存在相关性，角度>125°的非白人个体比例显著高于角度>125°的白人个体比例。角度与颅指数之间存在相关性，因为颅指数较高的头骨往往蝶骨基底部角度也较高。
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