Mutations of androgen receptor gene in somatic cell compared with that of spermatoblast in infertile men with oligospermia 少精不育患者体细胞与精细胞的雄性激素受体基因突变的比较与分析
The ultrastructural characteristics of spermatocytes and spermatoblast of Tegillarca granosa were studied with transmission electron microscopy ( TEM). 用透射电镜研究了泥蚶精母细胞与精细胞的超微结构变化。