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Figure 1 | BioMedical Engineering OnLine

Figure 1

From: A computational model study of the influence of the anatomy of the circle of willis on cerebral hyperperfusion following carotid artery surgery

Figure 1

Schematic description of a computational model of the cardiovascular system (Panel A). The cerebral circulation is modeled as a portion of the cardiovascular system (Panel B). The cerebral feeding arteries are No. 40/47 - left/right ICA and No. 56 - Basilar artery (BA), communicating arteries are No. 59/69 - left/right posterior communicating artery (PCoA) and No. 64 - anterior communicating artery (ACoA), and cerebral efferent arteries are No. 58/70 - the right/left posterior cerebral artery II (PCA II), No. 61/67 - right/left middle cerebral artery (MCA) and No. 63/65 - right/left anterior cerebral artery II (ACA II). Panel C illustrates the nine typical CoW structures. The value given under each structure indicates the appearance frequency of the structure in the population. The arrows denote the locations of missing or fetal-type arteries.

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BioMedical Engineering OnLine

ISSN: 1475-925X

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