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星形胶质细胞（Ａｓｔ）在脑功能活动中具有重要作用，异质性和胶质网络是Ａｓｔ新近引起重视的特性，Ａｓｔ的异质性包括Ａｓｔ形态结构、膜受体、胞质活性物质、对创伤的反应及其胶质网络等的差异。胶质网络是指Ａｓｔ之间、少突胶质细胞（Ｏｌｉｇ）之间以及Ａｓｔ与Ｏｌｉｇ之间通过缝隙连接形成的网络，水、无机离子以及小分子物质可以在网络中双相或单相扩散，网络活动以钙波为主要特征，钙波受神经递质（神经元电活动）影响，并能反馈影响钙波范围内的神经元
Astrocytes (Ast) play an important role in brain function and activity. Heterogeneity and glial network are new features of Ast. Ast’s heterogeneity includes Ast morphological structure, membrane receptors, cytosolic active substances , The response to trauma and its glial network differences. Glial network refers to the network between Ast, oligodendrocytes (Olig) and between Ast and Olig formed through the gap junction, water, inorganic ions and small molecules can be dispersed in the network of biphasic or single phase , The network activity is mainly characterized by calcium wave, the calcium wave is affected by the neurotransmitter (neuronal electrical activity), and can feedback the neurons that affect the calcium wave range