这个词是什么意思？
Congenital vascular anomalies in the brain characterized by direct communication between an artery and a vein without passing through the CAPILLARIES. The locations and size of the shunts determine the symptoms including HEADACHES; SEIZURES; STROKE; INTRACRANIAL HEMORRHAGES; mass effect; and vascular steal effect.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D002538 · MeSH 2026。
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