Last Updated：2025/12/06

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(anatomy) A single unpaired artery that is formed by the anastomosis of a branch of the vertebral artery on each side and that descends in the anterior median fissure of the spinal cord.

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anterior spinal artery

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Source Word

anterior spinal artery

Noun

(anatomy) A single unpaired artery that is formed by the anastomosis of a branch of the vertebral artery on each side and that descends in the anterior median fissure of the spinal cord.

Japanese Meaning

脊髄前動脈―左右の椎骨動脈の枝が吻合して形成され、脊髄の前正中溝内を下行する単一の非対称動脈

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Google Translation / DeepL Translation

各側の椎骨動脈からの枝が吻合して脊髄の前正中裂を下行する単一の無対動脈である前脊髄動脈が閉塞されると、脊髄前部への血流喪失により突然の麻痺を引き起こす可能性があります。

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(anatomy) A single unpaired artery that is formed by the anastomosis of a branch of the vertebral artery on each side and that descends in the anterior median fissure of the spinal cord.