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浙贝母鳞片细胞在寒冷条件下超微结构的变化
高文远; 李志亮; 肖培根;   
中国医学科学院中国协和医科大学药用植物研究所
摘要:
利用电镜手段观察了浙贝母鳞片细胞在寒冷条件下超微结构的变化。细胞中最明显的变化是出现了大量脂滴和淀粉粒壳的结构由清晰到模糊。一些高尔基体结构不清晰,内质网泡化。细胞中壁旁体较多,细胞核、细胞壁和胞间连丝正常。有时可见线粒体溢裂现象。以上现象表明为适应寒冷条件,细胞进行了内在代谢机制的调整。
关键词:  浙贝母  寒冷  超微结构  
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