Herein, a case of mixed gonadal digenesis is presented, and the literature is reviewed.

在此，我们提出一个混合型性腺发育不良的，做文献回顾。

Primary mediastinal germ-cell tumors (GCTs) without gonadal involvement are rare and can be divided into benign mature teratoma and malignant seminoma or nonseminoma.

摘要无生殖腺体侵犯之原发性纵膈生殖芽细胞肿瘤为罕见之肿瘤，一般分为良性成瘤及包含精细胞瘤和非精细胞瘤在内的恶性肿瘤。

Using anatomical method, the gonadal development in postembryonic period of Rana chensinensis, which had been migrated from Northeast China, is studied.

摘要采用解剖学方法，对南移后的中国林蛙胚后期性腺发育进行了观察。