AICA-PICA dominance

Last revised by Assoc Prof Craig Hacking on 05 Jun 2018

AICA-PICA dominance refers to the principle that the cerebellar vascular territory supplied by the anterior inferior cerebellar artery and posterior inferior cerebellar artery have a reciprocal arrangement. That is the size of the AICA and the subsequent territory it supplies is inversely proportional to that of the PICA, and vice versa.

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