| Posterior cerebral artery | |
|---|---|
 The outer surface of the human brain, with the area supplied by the posterior cerebral artery shown in yellow. | |
 The arterial circle and arteries of the brain (inferior view). The posterior cerebral arteries (bottom forks) arise from the basilar artery (center). | |
| Details | |
| Source | Basilar artery (most common in adults) |
| Vein | Cerebral veins |
| Supplies | Occipital lobe of cerebrum |
| Identifiers | |
| Latin | arteria cerebri posterior |
| Acronym(s) | PCA |
| MeSH | D020769 |
| TA98 | A12.2.07.082 |
| TA2 | 4565 |
| FMA | 50583 |
| Anatomical terminology | |
The posterior cerebral artery (PCA) is one of a pair of cerebral arteries that supply oxygenated blood to the occipital lobe, part of the back of the human brain. The two arteries originate from the distal end of the basilar artery, where it bifurcates into the left and right posterior cerebral arteries. These anastomose with the middle cerebral arteries and internal carotid arteries via the posterior communicating arteries.