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Original Article

Investigation of the relationship between laterality and vertebral arteries in rabbits

Cengiz Ozturk, Ismail Malkoc, Murat Kayabekir, Muhammet Enes Aydin, Aslihan Alpaslan Duman, Mehmet Dumlu Aydin


Cerebral dominancy is well known on laterality; however, histological analysis of vertebral artery dominance has not been adequately studied. It was aimed to investigate the relationship between the dominant vertebral artery and hand preference. In this study, which fifteen male rabbits were examined, paw preference was evaluated with a food-reaching test. Vertebral artery samples just entering to the cranium were obtained from right- and left-pawed rabbits to evaluate luminal surface values histologically. Handedness preferences and vertebral arteries lumen surface values were compared statistically using the Mann–Whitney U test. As a result of the measurements made, the vertebral artery on the side with a larger diameter was accepted as dominant. The larger lumen surface values were found in the left vertebral artery than in the right vertebral artery in right-handed rabbits and vice versa. The mean lumen surface values of the left/right vertebral arteries were 0.395±0.068 / 0.305±0.034 mm2 in the right-pawed animals (p

Key words: Handedness, vertebral artery dominancy, experimental animal study

Med-Science. 2021; 10(2): 596-9

Medicine Science Vol:10 Issue:2 Year:2021 PP:272–669
Posted in Vol: 10 Issue: 2 Year: 2021 June pp: 272–669

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