On the microscopic aspect, the microstructure and ultrastructure of oocytes, testes, spermatic ducts and oviducts walls of Chinese winter giant salamander were observed with light and electron microscopes. 微观方面,用光镜和电镜观察了大鲵卵巢的卵母细胞发育过程,输卵管、睾丸、输精管的显微和超微结构。