Volume 13, Issue 2 (Summer & Autumn 2016)                   ASJ 2016, 13(2): 117-124 | Back to browse issues page

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Abdolmaleki A, Mastery Farahani R, Ghoreishi S K, Shaerzadeh F, Aliaghaei A, Mirjavadi S H et al . Magnetic Resonance Imaging-Based Morphometric Assessment of Sexual Dimorphism of Corpus Callosum. ASJ. 2016; 13 (2) :117-124
URL: http://anatomyjournal.ir/article-1-175-en.html
1- Department of Anatomy and Cell Biology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- Department of Statistics, Faculty of Sciences, University of Qom, Qom, Iran.
3- Department of Physiology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
4- Advanced Diagnostic and Interventional Radiology Research Center, Tehran University of Medical Sciences, Tehran, Iran.
5- Hearing Disorders Research Center, Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract:   (5905 Views)

Introduction: Interhemispheric transmission of signal is done by corpus callosum (CC) as the largest fiber tract in brain. CC comprised 5 segments of rostrum, genu, body, isthmus, and splenium. Contradictory reports exist about sexual dimorphism of CC. We designed this study to assess probable sexual differences of CC and its different parts in men and women.
Methods: We analyzed magnetic resonance (MR) images of 68 females and 60 males in midsagittal view by PmsDViewer software. Data were analyzed by Student t test. These cases had no neurologic and pathologic diseases.
Results: MRI anthropometric analysis indicates that all segments of CC are larger in men compared to women. Moreover, our results also revealed that although all segments of CC were bigger in men, this increase in size was more prominent in the anterior segments of CC.
Conclusion: These findings indicate gender-related differences regarding CC segments. Notably, brain size as an interfering variable was eliminated in this study.

Full-Text [PDF 609 kb]   (2444 Downloads)    
Type of Study: Review |
Received: 2015/10/29 | Accepted: 2016/02/19 | Published: 2016/07/1

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