Keywords embryonic germ cells;embryonic stem cells;Primordial germ cell embryonic bodies;feeder layer;isolation;culture;rectnoic acid;induction;neuron;differentiation;

• 原始生殖细胞;胚胎生殖细胞;胚胎干细胞;饲养层;分离培养;拟胚体;维甲酸;分化;神经细胞;