Variations of parietal foramen in dried adult human skulls
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 5
Abstract
Variations in the emissary foramina of the skull are not uncommon and such variations are important both clinically and anthropologically. These cranial variants may or may not be associated with other congenital anomalies. Defect in the ossification of the parietal bones is an important cause responsible for the variations of the parietal foramen such as accessory parietal foramen, enlarged parietal foramen, parietal fissure and obeliac bones. Therefore, the objectives of the present study were to study the prevalence, number and position of parietal foramen in dried adult human skulls and to compare the findings with that of other research workers. A total of 48 skulls (96 parietal bones) were used in the present study, out of which parietal foramen was found in 74 parietal bones (77.08%) and absent in 22 bones (22.9%). The foramen was found bilaterally in 30 skulls (62.5%), unilaterally in 14 skulls (29.2%) and absent bilaterally in 4 skulls (8.3%). The foramen was mostly found at the junction between the middle 1/3 and posterior 1/3 of the parietal bones near the sagittal suture, except in two where it was found more anteriorly in the middle 1/3 of the parietal bones. These findings of variations in the prevalence, number and position of the parietal foramen can be an important addition to various research works as well as to any clinician/ surgeon dealing in the area to avoid complications.
Authors and Affiliations
Gaining Gangmei, Huidrom Sushila Devi, Thonthon Daimei, Elizabeth Remei, Joyce Tunglut
Keywords
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- EP ID EP374601
- DOI 10.9790/0853-1705062629.
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