The P4 segment of posterior cerebral artery corresponds to the parts (cortical branches) of the PCA that run along or inside both the parieto-occipital sulcus and the distal part of the calcarine fissure. It includes the two main division of the distal PCA, the calcarine artery and parieto-occipital artery.

Text by Antoine Micheau, MD - Copyright IMAIOS


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