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ORIGINAL ARTICLE
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Comparative analysis of metric and nonmetric aspects of foramen ovale of South Indian population with various regions globally and its approach through zygomatic route


1 Department of Anatomy, Chettinad Academy of Research and Education, Chennai, Tamil Nadu, India
2 Department of Intern, Chettinad Academy of Research and Education, Chennai, Tamil Nadu, India
3 Department of Anatomy, Shri Sathya Sai Medical College and Research Institute, Chennai, Tamil Nadu, India
4 Department of Anatomy, Tagore Medical College and Hospital, Chennai, Tamil Nadu, India

Correspondence Address:
Janani Yoganandham,
Department of Anatomy, Chettinad Academy of Research and Education, Chennai, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/mjdrdypu.mjdrdypu_669_21

Context: The foramen ovale is an obliquely placed, oval-shaped opening at the base of the skull in the greater wing of sphenoid. As the foramen transmits mandibular nerve, accessory meningeal artery, lesser petrosal nerve, and emissary veins, it knowledge of its variations is of supreme interest for surgeons. Aims: The aim of this study is to study the metric and nonmetric variations, of the foramen ovale of 40 dry adult human dried skulls. Settings and Design: The study was conducted in the dissection hall of Chettinad Academy of Research and Education. The study undertaken here is an observational study. Subjects and Methods: Human skulls were studied for location, patency, and various morphometric parameters bilaterally. The materials used were thin copper wire and a digital Vernier caliper of precision 0.01 mm. Statistical Analysis Used: Metric and nonmetric data were analyzed using the SPSS software. Results: The shape of foramen ovale was D shaped in most of the skulls (35%) followed by almond (21%), elongated oval (15%), and oval shape (11%). The presence of bony variations like spur was seen in 27.5% foramina, bony septa in 3.75%, and duplication in 21.25% foramina. The mean length and width of foramen ovale were 6.51 ± 1.24 mm and 3.66 ± 0.82 mm on right and 6.59 ± 1.33 mm and 3.75 ± 0.68 mm on the left, respectively. The mean area of foramen ovale was 19.08 ± 5.71 mm2 and 17.88 ± 5.85 mm2 on the right and the left, respectively. Conclusions: A sound knowledge on the morphometric variations of the foramen ovale helps the operating surgeon to avoid damage to the adjacent structures.


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    -  Yoganandham J
    -  Madanraj S
    -  Senthiappan AM
    -  Subramanian M
    -  Bandlamudi S
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