Morphometric study of the carotid canal and sexual dimorphism using dried human skulls in Nigeria

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dc.contributor.authorAlabi, A.S.,
dc.contributor.authorOyetunde, A.A.,
dc.contributor.authorKareem, S.B.,
dc.contributor.authorLewu, F.S.,
dc.contributor.authorAdigun, F.M.
dc.date.accessioned2026-05-04T11:01:33Z
dc.date.available2026-05-04T11:01:33Z
dc.date.issued2019
dc.description.abstractObjectives: The Carotid Canal is an important structure at the base of skull as it conveys the internal carotid artery, along with a sympathetic nerve plexus and a venous plexus. Previous researches done on carotid canal suggest that abnormalities to this canal, such as fractures of carotid canal and carotid sympathetic plexus schwannoma have their effect on the internal carotid artery and the structures passing through it. Cases of absence of carotid canal have also been reported, which causes variations of the internal carotid artery. The aim of this study is to determine the morphometric variation which exists between male and female carotid canal taking parameter such as the external opening into consideration. Materials and Methods:Atotal of 130 dried skulls were obtained from three regions, 68 from Ilorin, 38 from Ibadan and 24 from Ile-Ife, Nigeria that included 75 males and 55 females. The diameters of the external opening of the canal were measured on both sides of the skull in the long and short diameters using a Vernier caliper. Results: The long diameter of the external opening measured 6.58±0.50mm on the right side and 6.84±0.51mm on the left side (in male skulls), while in the female skulls it measured 5.93±0.41mm on the right and 6.27±0.45mm on the left side. The short diameter measured 5.65±0.432 mm on the right side and 5.64±0.45 mm on the left side in male skulls while, in female skulls, it measured 5.20±0.41 mm on the right side and 5.27±0.48 mm on the left side.These dimensions of the carotid canal showed highly significant differences among male and female skulls (P<0.001). However, a significant difference was also found among the canals in the right and left sides of the skulls (P<0.001). The DFA model when tested with the present data showed a model accuracy of 73.8% in right carotid canal and 75.4% in left. Conclusion: This study shall be useful for Surgeons, Radiologists, Anatomists, Forensic Experts, Anthropologists, etc.
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/123456789/17954
dc.language.isoen
dc.publisherFaculty of Basic Medical Sciences, Adeleke University, Ede, Nigeria
dc.relation.ispartofseriesVol. 1. NO. 1; 99-105
dc.subjectmorphometry
dc.subjectcarotid canal
dc.subjectskull
dc.subjectexternal opening
dc.subjectlong and short diameters
dc.titleMorphometric study of the carotid canal and sexual dimorphism using dried human skulls in Nigeria
dc.title.alternativeAU Journal of Health Sciences and Biomedical Research
dc.typeArticle

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