A Geometric Morphometrics Approach for Sex Estimation Based on the Orbital Region of Human Skulls from Bosnian Population.

4区 工程技术 Q3 Physics and Astronomy Scanning Pub Date : 2023-01-01 DOI:10.1155/2023/2223138
Zurifa Ajanović, Uzeir Ajanović, Lejla Dervišević, Haris Hot, Alma Voljevica, Elvira Talović, Emina Dervišević, Selma Hašimbegović, Aida Sarač-Hadžihalilović
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引用次数: 3

Abstract

Background: Understanding the anatomy and morphological variability of the orbital region is of great importance in clinical practice, forensic medicine, and biological anthropology. Several methods are used to estimate sex based on the skeleton or parts of the skeleton: classic methods and the geometric morphometric method. The objective of this research was to analyse sex estimation of the orbital region on a sample of skulls from a Bosnian population using the geometric morphometric method.

Materials and methods: The research was conducted on three-dimensional models of 211 human adult skulls (139 males and 72 females) from the Osteological Collection at the Faculty of Medicine in Sarajevo. The skulls were recorded using a laser scanner to obtain skull 3D models. We marked 12 landmarks on each model to analyse sexual dimorphism. Landmarks were marked using the program Landmark Editor. After marking the landmarks, we used the MorphoJ program to analyse the morphological variability between male and female orbital regions.

Results: After Procrustes superimposition, generating a covariant matrix, and introducing sex as a variable for classification, a discriminant functional analysis (DFA) was applied which determined the estimation for males with 86.33% accuracy and for females with 88.89% based on the form of the orbital region. The results of regression analysis showed that the size of the orbital region has a statistically significant effect on its shape's sexual dimorphism. After excluding the influence of size and providing DFA, we concluded that sex estimation was possible with 82.01% accuracy for males and 80.55% accuracy for females based on the shape of the orbital region in the examined sample.

Conclusion: Sex estimation based on the orbital region was possible with more than 80% accuracy for both sexes, which is a high percentage of correct estimation. Therefore, we recommend using the orbital region of the skull for sex estimation.

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一种基于波黑人群颅骨轨道区域的性别估计几何形态计量学方法。
背景:了解眶区的解剖学和形态学变异在临床实践、法医学和生物人类学中具有重要意义。基于骨骼或骨骼部分来估计性别的方法有几种:经典方法和几何形态测量法。本研究的目的是利用几何形态计量学方法对波斯尼亚人口头骨样本的眼眶区域进行性别估计分析。材料和方法:研究对象是萨拉热窝医学院骨学馆藏的211个成人头骨(139个男性,72个女性)的三维模型。使用激光扫描仪记录颅骨以获得颅骨3D模型。我们在每个模型上标记了12个里程碑来分析性别二态性。地标被标记使用程序地标编辑器。在标记好地标后,我们使用MorphoJ程序分析了男性和女性眼眶区域的形态差异。结果:在Procrustes叠加、生成协变矩阵、引入性别作为分类变量后,应用判别功能分析(DFA)确定了基于眶区形态对男性和女性的估计准确率分别为86.33%和88.89%。回归分析结果表明,眼眶区域的大小对其形状的性别二态性有统计学意义的影响。在排除大小的影响并提供DFA后,我们得出结论,根据检查样本中眼眶区域的形状,男性的性别估计准确率为82.01%,女性的性别估计准确率为80.55%。结论:基于眼窝区域进行性别估计,男女均可达到80%以上的准确率,估计正确率较高。因此,我们建议使用颅骨眶区进行性别估计。
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来源期刊
Scanning
Scanning 工程技术-显微镜技术
CiteScore
4.40
自引率
0.00%
发文量
111
审稿时长
6-12 weeks
期刊介绍: Scanning provides an international and interdisciplinary medium for the rapid exchange of information among all scientists interested in scanning electron, scanning probe, and scanning optical microscopies. Areas of specific interest include all aspects of the instrumentation associated with scanning microscopies, correlative microscopy techniques, stereometry, stereology, analytic techniques, and novel applications of the microscopies.
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