摘要
目的 研究肝细胞与其周围内质网的结构关系。方法 使用钻石刀对肝组织进行连续切片 ,电镜下观察线粒体及其周围内质网的三维结构。对肝细胞细胞器 ,特别是线粒体及其周围内质网进行体视学分析。结果几乎所有的线粒体都在内质网的包绕下工作。在整个肝细胞内有 2 6 %的RER和 32 %的SER贴附近线粒体的周围。结论 肝细胞线粒体通常在内质网的包绕下执行生理功能 ,二者是结构和功能紧密联系的整体。
Objective To study a structural association between mitochondria and endoplasmic reticulum. Methods The endoplasmic reticulum binding mitochondria in rat liver cell was observed in EM by serial ultrathin sections.And volume densities of mitochondria,endoplasmic reticulum and other organelles in the liver cell were measured on the photographs. Results Almost every mitochondria functions under the surrounding of endoplasmic reticulum(SER and RER),which seemed at place to form a cap around the mitochondrion.The stereological analysis showed that 32% of SER and 26%of RER (volume density) directly surrounded mitochondria. Conclusion The mitochondria were binded with endoplasmic reticulum(SER and RER) when they took action in liver cells.Mitochondria and endoplasmic reticulum are a unity of structure and function.
出处
《锦州医学院学报》
2001年第1期12-13,共2页
Journal of Jinzhou Medical College
关键词
肝细胞
线粒体
内质网
体视学
大鼠
hepatocyte
mitochondria
endoplasmic reticulum
stereology
