| lenticulostriate arteries | Any one of a variety of small artery's 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 and (rarely) of the anterior choroidal artery. Synonym: Charcot's arteries, lateral striate arteries. (05 Mar 2000) |
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| lowest lumbar arteries | Origin, middle sacral; distribution, sacrum and iliac muscle; anastomosis, deep circumflex iliac artery. Synonym: arteriae lumbales imae. (05 Mar 2000) |