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Figure 3 | BMC Neurology

Figure 3

From: An excess vessel in the posterior part of the human cerebral arterial circle (CAC): a case series

Figure 3

Modified (a) and original (b) pictures of some cerebral arteries on the basal surface of the brain: hypoplastic right ICoA (arrow) is presented in the posterior part of CAC. Insert - a. PCA-P1c, right posterior cerebral artery, pre-communicating part of carotid origin; PCA-P1b, right posterior cerebral artery, pre-communicating part of basilar origin; P2, left and right posterior cerebral arteries, post-communicating parts; PCoA, left posterior communicating artery. Some vascular components are labeled by numerals: 1-2, left and right internal carotid arteries, choroidal and communicating subparts of cerebral part; 3-4, left and right anterior cerebral arteries, pre-communicating parts; 5, anterior communicating artery; 6, basilar artery. Insert - b. *, right anterior choroidal artery.

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