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Sex determination using mastoid length and biasterionic breath in dry human skulls - A morphometric analysis
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| Author:
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AARTHI MUTHUKUMAR, KARTHIK GANESH MOHANRAJ
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| Abstract:
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To study the craniometric measurements of mastoid process of dry skulls and provide a method for sex determination.Study of human skeletal remains for sex determination has been a topic of interest among researchers. Cranial Morphometry is used for human studies like age estimation, stature, and ethnicity.. The mastoid process can be used as a marker of sex as well as ancestry of individuals and populations. The mastoid region is favorable for sex determination as it is one of the most protected region and resistant to damage due to its anatomical position at the base of the skull. Also, the mastoid process is one of the most dimorphic traits, females have smaller mastoid processes than males.In the present study, 60 adult human skulls were used to determine the role of mastoid length and biasterionic breath as a metric parameter in sexual dimorphism. The skulls with no apparent deformity or diseases, were included in the study. Senile and juvenile skulls were excluded from the study. The mastoid and biasterionic breath dimensions were obtained with a vernier caliper to a closest millimeter. The measurements were taken on both sides of the skull and the average was calculated.All the observations were analysed using SPSS 20.0 and represented graphically using Mean ± SD. In this study, in males the mean mastoid length (ML) of right side was 34.83 ± 1.12 mm and of left side was 33.64 ± 1.49 mm. The mean mastoid length (ML) of the right side was 32.37 ± 1.54 mm and the left side was 31.58 ± 1.03 mm in females. The mean biasterionic breadth (BB) of male was 12.71 ± 0.68 mm and of female was 11.94 ± 0.52 mm. The statistical analysis of values which showed to be very significant, it is concluded that mastoid length and biasterionic breath are the reliable indicators for sexual dimorphism.
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| Keyword:
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Sex determination, skull, craniometry, mastoid length, biasterionic breath.
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| EOI:
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| DOI:
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https://doi.org/10.31838/ijpr/2020.12.03.342
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| Download:
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