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It has been suggested that this article be merged with Anteromedial central arteries, Posterolateral central arteries and Posteromedial central arteries toCentral arteries. (Discuss) Proposed since July 2024.
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| Anterolateral central arteries | |
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| Details | |
| Source | Middle cerebral artery |
| Identifiers | |
| Latin | aa. centrales anterolaterales,[1] aa. lenticulostriatae[1] |
| TA98 | A12.2.07.048 |
| TA2 | 4510 |
| FMA | 71478 |
| Anatomical terminology | |
The anterolateral central arteriesorlenticulostriate arteries[2] (also anterolateral perforating arteries, anterolateral ganglionic arteries, striate arteries, or lateral striate arteries) are a group of small arteries mostly arising from (the initial M1 partof) the middle cerebral artery that enter the brain through the anterior perforated substance to provide arterial supply to parts of the basal ganglia.[3] They are end arteries.[citation needed]
The name of these arteries is derived from some of the structures they supply, namely the lentiform nucleus and the striatum.[citation needed]
The ALCAs supply the posterior portion of the striatum, the lateral portion of the globus pallidus, and all parts of the internal capsule.[3]
The medial striate artery (Recurrent artery of Heubner) arises either from the middle cerebral artery or anterior cerebral artery, and supplies the rostral/anterior portion of the caudate nucleus and putamen, and the anterior limb and genu of internal capsule.[3]
Blockage of the lenticulostriate arteries causes lacunar infarcts. These infarcts are most often due to hyaline arteriosclerosis secondary to hypertension. This can lead to contralateral paresis (muscular weakness) and/or sensory loss of the face and body.
{{cite book}}: CS1 maint: location missing publisher (link)
This article incorporates text in the public domain from page 573 of the 20th edition of Gray's Anatomy (1918)
Le, Tao and Bhushan, Vikas. First Aid for the USMLE Step 1 2017 (p.484). New York: McGraw-Hill Education, 2017.
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Arteries of the head and neck
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