The arteries of the anteromedian and anterolateral groups arose from the anterior spinal artery, and also from the vertebral artery and basilar artery.
前正中群和前外侧群动脉主要来自脊髓前动脉，前正中群动脉供应舌下神经核、内侧丘系及部分锥体束等中缝两侧结构；
Objective:To observe the histomorphologica l outcome of medullary ischemia caused by anterior spinal cord artery injury, research the pathologic mechanism.
目的：观察脊髓前动脉损伤后脊髓组织形态学演变过程，研究病理机制。
Summary of Background Data. The most important feeding artery of the thoracolumbar spinal cord is the great anterior radiculomedullary artery, also called the artery of Adamkiewicz.
研究背景：胸腰段脊髓最重要的灌注动脉是大前根动脉，也称Adamkiewicz动脉。
Results Among the 7 patients, 2 patients the lesions were in the cervical and 5 patients lesions were in thoracic. 5 on anterior spinal artery and 2 on posterior spinal artery.
结果2例病变位于颈段脊髓内，5 例在胸段脊髓内。5 例畸形血管由脊髓前动脉供血，2 例由脊髓后动脉供血。
Results Among the 7 patients, 2 patients the lesions were in the cervical and 5 patients lesions were in thoracic. 5 on anterior spinal artery and 2 on posterior spinal artery.
结果2例病变位于颈段脊髓内，5 例在胸段脊髓内。5 例畸形血管由脊髓前动脉供血，2 例由脊髓后动脉供血。
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