any one of a variety of small arteries entering the base of the brain through the anterior perforated substance and supplying the striatum, globus pallidus, and internal capsule; most of these perforating arteries are branches of the M1 segment (clinical terminology) of the middle cerebral and (rarely) of the anterior choroidal artery.
Synonym(s): anterolateral central arteries
Synonym(s): Charcot arteries
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