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International Journal of Morphology

On-line version ISSN 0717-9502


MANDIOLA, Eduardo et al. Biometrical Aspects of the Anterior Cerebral Artery in its Proximal Segment (Al) and Internal Carotid Artery. Int. J. Morphol. [online]. 2007, vol.25, n.4, pp.915-918. ISSN 0717-9502.

The conformation of the arterial circle of the base of the brain has relevancy in the neurochirurgical clinic as the complex relation that there present the arteries that originate it and its great variability. Due to the high frequency the aneurysms observed in the anterior communicating arteries, besides too, in the precommunicating segment (Al) of the anterior cerebral artery, we have decided to carry out a biometrical analysis of these arteries and the ICA for research possible association or correlation in these arteries.The work was realized in 36 available brains in the anatomical laboratories. These specimens had bioanthropological data. The segment Al of the anterior cerebral artery observed a length of 12,86 ± 1.58 mm and presents a diameter of 2.37 ± 0.68 mm in the right side. In the left side the length of this one segment is 12. 62 ± 1.96 mm and presents a diameter of 2.42 ± 0.75 mm. The external diameter of the ACI in the right side was 3.84±0.68 mm and in left side was 3.96 ± 0.87 mm. It is observed variability of the components that constitute the arterial cerebral circle when it is considered to be the side, the sex and cephalic index

Keywords : Anterior cerebral artery; Cerebral artery circle; Internal carotide artery.

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