Forensic study is very important in the identification of sex especially when the body of the deceased, death being caused by physical injury due to weapons, fire or strong chemicals, is found in a decomposed state. The morphological characteristics obtained by craniometry may be the key to sex determination, which enable us to identify unknown individuals anywhere in the world. In the present study an attempt has been made to evaluate the effectiveness of the linear morphometry of foramen magnum to verify the morphological characteristics in dry human skulls for gender determination. Eighty-three dry human skulls of adult age used in the study belong to the museum of the Department of Anthropology, Utkal University, Bhubaneswar, Odisha. Length and Breadth of foramen magnum are measured in standard technique by vernier calliper. It is found that for male the mean value of LFM, BFM, Foramen magnum index, the area of foramen magnum (Teixeira) and the area of foramen magnum (Routal) are respectively 3.65c.m, 3.12c.m, 85.48, 9.00 and 8.94, whereas the corresponding values for the female are 3.52c.m, 2.98cm, 84.66, 8.29 and 8.23. The difference in length, breadth and area of foramen magnum between male and female was found to be statistically significant (p<0.05).
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