NCIt definition : The largest terminal branch of the internal carotid artery that runs along the fissure
of Sylvius with branches supplying parts of the fontal, parietal and temporal lobes
as well as the basal ganglia and internal capsule.;
Alternative definition : CDISC: The larger paired arteries (left and right) that arise from the internal carotid
artery and that run along the fissure of Sylvius.;