人体和动物的免疫活性细胞由亿万个淋巴细胞,其中包括千万种细胞系(克隆)所组成。而每种细胞系带有一种特定的受体,与相应的抗压结合,引起免疫应答反应。根据Jerne提出的网络学说,免疫反应不仅仅只包括对“非己”抗原的识别,而且更重要的是免疫系统内各淋巴细胞系之间的自我识别、相互刺激和制约,发生网络状联系,通 The immune-active cells of humans and animals consist of billions of lymphocytes, including millions of cell lines (clones). Each cell line with a specific receptor, combined with the corresponding pressure, causing immune response. According to the network theory proposed by Jerne, the immune response not only includes the identification of “non-self” antigens, but more importantly, self recognition, mutual stimulation and restriction among various lymphocyte lines within the immune system, network connection, through