Objective: To investigate the development of xenografted primitive human germ cells by using fetal testicular tissues as donor tissues and an immunodeficient mouse as the recipient.

• 目的:以人胎儿睾丸组织为供体,免疫缺陷小鼠为受体,研究人类睾丸生精细胞异种移植后的继续发育情况。