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Year : 2017  |  Volume : 5  |  Issue : 1  |  Page : 14-17

Sexual dimorphism in frontal sinus of Southeast Nigerians

1 Department of Anatomy, Federal University, Ndufu-Alike Ikwo, Ebonyi, Nigeria
2 Department of Anatomy, College of Medicine, Enugu State University, Enugu, Nigeria
3 Department of Anatomy, Abia State University, Uturu, Nigeria

Correspondence Address:
Uchenna Kenneth Ezemagu
Department of Anatomy, Federal University, Ndufu-Alike Ikwo, Ebonyi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2315-7992.210248

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Background: The functional and adaptive significance of frontal sinus is still very poorly understood and attempt to link frontal sinus patterns with specific influences such as sex or biological affinity have been inconclusive. Purpose: The study aims to demonstrate the influence and this relationship between the variation in frontal sinus dimensions and sex. Materials and Method: In this study, lateral and anteroposterior radiographs of 74 males and 46 females of Southeast Nigerians taken from August 18, 2003 to July 12, 2004 were measured (age 9–75). Data were analyzed using excel package of a desktop computer, employing Chi-square test to determine the association between sinus dimensions and sex. Result: The result showed that variation in frontal sinus breadth and depth may not depend on sex while variation in height slightly depends on sex (P < 0.05). Thus, establishing the fact that some metric and morphologic characteristics of the frontal sinus depend on sex. Conclusion: This finding depicts a sexual dimorphism in frontal sinus dimension. Moreover, it adds an additional factor to the puzzle of the meaning of the supra orbital development and morphologic characteristics.

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