Type factors accepted in the field of anthropology.

Type of manuscript: research article Running title: B.SadhviUndergraduate studentSaveetha dental college, Saveetha University, Chennai, India.Dr.

yuvraj babu.Kdepartment of Anatomy,Saveetha Dental college, Saveetha university, chennai, India.Corresponding author Dr.yuvraj babu.

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KDepartment of Anatomy,Saveetha Dental college, Saveetha University,162, Poonamallee High Road,Chennai 600077Tamil Nadu, India Email: [email protected] number: 9841056964Total number of words:ABSTRACT AIM:    To check if nasal index is a parameter for estimating gender difference BACKGROUND :MATERIALS AND METHODS:         South Indian people of various age groups were chosen and the nasal index of males and females were calculated. The width of the nose  and the nasal height was calculated using a vernier caliper.

The nasal index of both males and females was then done to conclude if nasal index can be used as a parameter to estimate gender difference.          KEY WORDS:         Nasal index, parameter, gender difference.INTRODUCTION:    Nose, is one of the most important facial structure that has both bones and cartilages. Hence, the study of nasal index and its comparison forms the basis of racial and ethnic difference in nasal index among different population. It forms the base of the facial anthropometric study, genetic counselling and forensic investigation as well.

Nasal analysis is the most important procedure that a clinical surgeon will take up before taking up the rhinoplasty surgery (for the correction of size and shape of nose). Hence, the nasal parameters such as nasal index, nasal height and nasal width) are the commonly accepted factors accepted in the field of anthropology.The findings such as finding the gender difference using the nasal index has its own importance in the field of forensic science, clinical uses, and anthropological studies as well.The shape and size of the nose might vary from individual to individual depending on the environmental circumstances, race from which they belong etc. thus we can say that nasal size and shape is influenced by adaptation to the environment. Nasal index is a regional and racial sensitive anthropometric index. It is also one of theimportant anthropometric parameter for classifying the race and sex of an individual in the world.

Suchregional studies parameters will help for the purpose of clinical practice (plastic surgery), forensic medicineand anthropological study.Nasal index prove as a useful tool for neurosurgeon, plastic surgeon andanthropologists. Facial anthropometry is an important tool utilized and forms a part of genetic counselling,reconstructive surgery and forensic examination . Hence our aim is to compare the nasal index of both males and females and hence find out if it can be a parameter for estimating the gender difference among the South Indian population.

RESULTS AND DISCUSSION :The nose, as said earlier, is a facial structure that consists of bones and cartilages.the study of the nasal index indicates the racial, and ethnic difference in nasal index among different population. Most of the South Indian population has long and broad nose and some have long and narrow nasal structure.