Research Article
Anatomical Variations of the Circulus Arteriosus in Cadaveric Human Brains
Table 2
Morphometry of components of circulus arteriosus. (in millimeters).
| | | Right | Left | | Min | Max | Mean | SD | Min | Max | Mean | SD |
| | Length | | | | | | | | | | ACoA | 1 | 20 | 2.6 | 0.21 | | | | | | A1 | 8 | 25 | 17.8 | 0.34 | 10 | 25 | 17.4 | 0.33 | | PCoA | 5 | 25 | 15.9 | 0.46 | 8 | 23 | 15.4 | 0.43 | | P1 | 5 | 20 | 7.5 | 0.30 | 5 | 15 | 7.6 | 0.28 | | Diameter | | | | | | | | | | ACoA | 1 | 4 | 1.7 | 0.08 | | | | | | A1 | 1 | 5 | 2.8 | 0.09 | 1 | 5 | 2.8 | 0.09 | | PCoA | 1 | 4 | 2.1 | 0.12 | 1 | 4 | 2.1 | 0.12 | | P1 | 1 | 4 | 2.8 | 0.08 | 1 | 4 | 2.8 | 0.08 | | ICA | 3 | 7 | 4.9 | 0.07 | 3 | 7 | 4.9 | 0.07 | | BA | 3 | 6 | 4.9 | 0.06 | | | | |
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