Long brainstem-enclosing arteries
Long circumflex brainstem arteries
Cerebral arteries, long circumflex brainstem arteries
These include the Posterior Lower Cerebellar Artery (PICA), the Anterior Lower Cerebellar Artery (AICA) and the Upper Cerebellar Artery. These supply the posterior/dorsal parts of the brainstem and the cerebellum.