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Published on: March 19, 2017
Stature and sex estimation auricular morphometry and morphology
Pankaj Mahawar1, Ameet Julka2, Arpan Dubey2
1Department of Anatomy, Dr. Laxminarayan Pandey Government Medical college, Ratlam, Madhya Pradesh, India.
Bioinformation
|May 11, 2026
Summary
Forensic identification can utilize external ear morphometry. Central Indian adults show significant differences in ear dimensions between males and females, aiding in identification.
Area of Science:
- Forensic Anthropology
- Anthropometry
Background:
- External ear morphometry is valuable for forensic identification due to population variations and sexual dimorphism.
- Region-specific reference data for ear dimensions is essential for accurate forensic analysis.
Purpose of the Study:
- To assess external ear morphometry and morphology in Central Indian adults.
- To investigate sexual dimorphism in ear dimensions for identification purposes.
- To establish reference data for Central Indian population.
Main Methods:
- A cross-sectional study involving 200 Central Indian adults (aged 18-30 years).
- Bilateral ear and lobular measurements taken using a digital Vernier caliper.
- Stature and weight recorded using standard instruments.
Main Results:
- Males exhibited significantly greater mean stature, weight, ear length, ear width, and lobule width compared to females.
- Ear index, lobule height, and lobule index showed no significant sex-based differences.
- Oval ear shape was predominant; Darwin's tubercle showed a significant sex difference on the right side only.
Conclusions:
- External ear measurements in Central Indian adults display sexual dimorphism, particularly in length and width.
- These morphometric data can contribute to forensic identification within the studied population.
- Further research on diverse populations is recommended for broader applicability.
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