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Sexual dimorphism a...
Sexual dimorphism and regional variation in human frontal bone inclination measured via digital 3D models
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- Petaros, Anja (författare)
- National Board Forens Med, Department Forens Med, Artillerigatan 12, S-58758 Linkoping, Sweden; Rijeka University, Croatia
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- Garvi, Heather M. (författare)
- Mercyhurst University, PA 16546 USA; Des Moines University, IA 50312 USA
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- Sholts, Sabrina B. (författare)
- Smithsonian Institute, DC 20560 USA
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- Schlager, Stefan (författare)
- University of Freiburg, Germany
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- Wärmländer, Sebastian K. T. S. (författare)
- Linköpings universitet,Stockholms universitet,Institutionen för biokemi och biofysik,UCLA, USA; Linköping University, Sweden,Affärsrätt,Filosofiska fakulteten,UCLA, CA USA; Stockholm University, Sweden
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(creator_code:org_t)
- Elsevier BV, 2017
- 2017
- Engelska.
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Ingår i: Legal Medicine. - : Elsevier BV. - 1344-6223 .- 1873-4162. ; 29, s. 53-61
- Relaterad länk:
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https://www.scienced...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The frontal bone is one of the most sexually dimorphic elements of the human skull, due to features such as the glabella, frontal eminences, and frontal inclination. While glabella is frequently evaluated in procedures to estimate sex in unknown human skeletal remains, frontal inclination has received less attention. In this study we present a straightforward, quick, and reproducible method for measuring frontal inclination angles from glabella and supraglabella. Using a sample of 413 human crania from four different populations (U.S. Whites, U.S. Blacks, Portuguese, and Chinese), we test the usefulness of the inclination angles for sex estimation and compare their performance to traditional methods of frontal inclination assessment. Accuracy rates in the range 75-81% were achieved for the U.S. White, U.S. Black, and Portuguese groups. For Chinese the overall accuracy was lower, i.e. 66%. Although some regional variation was observed, a cut-off value of 78.2 for glabellar inclination angles separates female and male crania from all studied populations with good accuracy. As inclination angles measured from glabella captures two sexually dimorphic features (i.e. glabellar prominence and frontal inclination) in a single measure, the observed clear male/female difference is not unexpected. Being continuous variables, inclination angles are suitable for use in statistical methods for sex estimations.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
Nyckelord
- Forensic anthropology
- Digital morphometrics
- Population data
- Sex estimation
- Cranial morphology
- Craniometrics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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