| Artery of Percheron | |
|---|---|
 Diagram of the arterial circulation at the base of the brain (inferior view). The artery of Percheron (not shown) arise from either the left or right posterior cerebral artery (bottom forks) | |
 | |
| Details | |
| Source | Posterior cerebral artery |
| Supplies | Both sides of thalamus and midbrain |
| Anatomical terminology | |
The artery of Percheron (AOP) is a rare anatomical variation in the brain vascularization in which a single arterial trunk arises from the posterior cerebral artery (PCA) to supply both sides of the thalamus and midbrain.