Figure 1From: Bilateral thalamic stroke due to occlusion of the artery of Percheron in a patient with patent foramen ovale: a case report Schematic representation of type B artery of Percheron emerging from the right first segment of the posterior cerebral arteries. PA = type B artery of Percheron, T = thalamus, AcoP = posterior communicating artery, PCA = posterior cerebral artery, BA = basilar artery.Back to article page