The anterior inferior cerebellar artery (AICA) arises from the basilar artery at the level of the junction between the medulla oblongata and the pons in the brainstem. It passes backward to be distributed to the anterior part of the undersurface of the cerebellum, anastomosing with the posterior inferior cerebellar branch of the vertebral artery. It supplies the anterior inferior quarter of the cerebellum.
It also gives off the labyrinthine artery in most cases; however, the labyrinthine artery can emerge as a branch of the basilar artery in others.
Read more about Anterior Inferior Cerebellar Artery: Clinical Significance
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