gonadial ridge
尿生殖嵴的长轴出现一条纵沟将其分成内侧的生殖腺嵴(gonadial ridge),分化成性腺;及外侧的生肾嵴,分化为肾。生殖腺嵴的表面上皮向其下方的间充质生出许多不规则的细胞索,称为初级性索(primary s...
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方法:取5-10周流产人胚胎生殖腺嵴,采用组织块培养法培养人EG细胞。
Methods: Through tissue culture, the human EG cells were obtained by taking the gonadal ridges from human embryos aged 5~10 weeks.
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