Assertion: basilar artery | /r/CapableOf | bifurcate near the base of the midbrain
Facets:
value: to form paired posterior cerebral arteries
type: PURPOSE
Source sentences:
text: The basilar artery bifurcates near the base of the midbrain to form paired posterior cerebral arteries (PCA) that branch to supply the occipital lobes and feed into the circle of Willis.