In the lymph node, the senescent cells mainly appeared in the zone between lymph nodules, and in the medullarycord and sinus.
淋巴结内衰老细胞主要分布于皮质淋巴小结之间和髓质。
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Objective:To observe the histomorphologica l outcome of medullary ischemia caused by anterior spinal cord artery injury, research the pathologic mechanism.