noun
cerebral embolism
Medical term for a blockage in a brain artery caused by an embolus.
脳塞栓は、心臓などから血栓が飛んで脳の血管を詰まらせる病気です。
Cerebral embolism is a condition in which a blood clot from the heart or elsewhere travels and blocks a blood vessel in the brain.
脳梗塞 (cerebral infarction) is a broader term for brain tissue death due to blocked blood flow, which can be caused by a cerebral embolism (脳塞栓) or other mechanisms.
脳血栓 (cerebral thrombosis) refers to a clot that forms locally in a brain artery, whereas 脳塞栓 involves a clot that travels from elsewhere.
Compound of 脳 (のう, 'brain') + 塞栓 (そくせん, 'embolism'). 塞栓 is itself a medical term composed of 塞 (block) and 栓 (plug).