癌症的转移是一个复杂的过程,发生机理尚未阐明,其发生既与肿瘤细胞本身的特性有关,又与宿主有关。故在探讨抗恶性肿瘤转移及其机制时所用手段各异,应用的动物繁多。复制模型用的动物有小鼠、大鼠、地鼠、裸鼠、 The metastasis of cancer is a complex process, the mechanism of which has not yet been elucidated. The occurrence of cancer is not only related to the characteristics of cancer cells but also to the host. Therefore, in discussing anti-cancer metastasis and its mechanisms used by different means, the application of many animals. Animals used for the replication model are mice, rats, hamsters, nude mice,