Morphometric and Morphological Study on Foramen Ovale.
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Date
2014-10
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Abstract
Background: Foramen ovalee is an important foramen of the middle cranial fossa. Foramen ovalee is situated
in the greater wing of the sphenoid bone, posterior to the foramen rotundum and lateral to the lingula and
posterior end of the carotid groove. Through the foramen ovale the mandibular nerve, accessory meningeal
artery and lesser petrossal nerve are passing through it. The shape of foramen ovale is ovale in shape as
compare to other foramina of the skull, its shape and size is quite variable.
Meterials and Methods: A total 250 skulls were used for this study. The skulls were collected with I MBBS
student from different medical colleges in south India. Skulls in poor conditions or skulls with partly damaged
surroundings of the foramen ovalee were not considered. Maximum length and width of foramen ovalee was
measured. Variation in right and left side and sex difference in length and width were calculated, the variations
in shape also recorded.
Results: The mean value of length of left foramen ovale is 8.5+1.32mm and right was 8.9+1.67mm. In female it
was 8.7+1.67mmandmalewas 8.4+1.71mm. Themean value ofwidth of left foramen ovale is 3.7+1.03mmand
right was 3.9+0.98mm. In female it was 3.8+0.92mm andmale was 3.7+1.02mm.The shape of foramen ovalewas
ovale in 69% of skulls, almond in 29% of skulls and round was 2% of skulls.
Conclusion: The present study conclude that there is significant difference between sizes of right and left side
foramen ovale and found that between male and female foramen ovale sizes also not shown any significance
difference. Foramen ovale has practical significance to both neurosurgical and functional cranial neuroanatomy
as it provides transcutaneous approaches to the skull base especially in cases of trigeminal neuralgia, as the
Gasserion ganglion can be approached through it.
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Keywords
Foramen ovale, Neuroanatomy, Trigeminal neuralgia, Gasserion ganglion
Citation
Murugan Magi, Saheb Shaik Hussain. Morphometric and Morphological Study on Foramen Ovale. International Journal of Anatomy and Research. 2014 Oct-Dec; 2(4): 664-667.