Territory of medial lenticulo-striate arteries and Heubner artery (Deep ACA A1-segment)
Area arterie lenticulostrati medialis et arteraie Heubneri
Definition
The A1 segment from the ACA originates to anterior communicating artery and gives rise to medial lenticulostriate arteries. It supplies the inferior parts of the head of the caudate and the anterior limb of the internal capsule with the medial lenticulostriate arteries (Heubner's artery is the largest of the medial lenticulostriate arteries and supplies the anteromedial part of the head of the caudate and anterior inferior internal capsule).
Stroke pattern: proportional hemiparesis
References
The vascular territories in the cerebellum and brainstem: CT and MR study. by Savoiardo M, Bracchi M, Passerini A, Visciani A. AJNR Am J Neuroradiol. 1987 Mar-Apr;8(2):199-209.
Oxford Textbook of Stroke and Cerebrovascular Disease - Bo Norrving - Oxford University Press, 2014
