基本解释[解剖] 皮质脊髓侧束英汉例句双语例句There is no decussation in the lateral corticospinal tract after the decussation at the medullary pyramids.它们在髓状锥体交叉后，不会在皮层脊髓侧束中交叉。dict.cn专业释义医药科学皮质脊髓侧束侧皮质脊髓径