Anterior inferior cerebellar artery

Anterior Inferior Cerebellar Artery

The Anterior Inferior Cerebellar Artery (AICA) is one of the three main arteries that supply blood to the cerebellum. It arises from the basilar artery, which is formed by the union of the two vertebral arteries.

Anatomy

The AICA is typically smaller than the Posterior Inferior Cerebellar Artery (PICA) and the Superior Cerebellar Artery (SCA). It courses laterally around the pons, giving off several branches to the pons and the inner ear, before reaching the cerebellum.

Clinical significance

The AICA is involved in several clinical conditions, including labyrinthine artery occlusion, labyrinthitis, and AICA syndrome, a type of stroke that can cause vertigo, nausea, and unilateral hearing loss.

See also

• Circle of Willis
• Vertebral artery
• Basilar artery

References

Anterior inferior cerebellar artery Resources
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