lecioblast
... 龙舌兰 lecheguilla 卵黄胚细胞 lecioblast 卵磷脂白蛋白 lecithalbumin ...
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小鼠的造血和血管系统起源于胚外中胚层。胚胎期6.5-7天时在卵黄囊形成特征性的血岛结构发生向造血和内皮细胞的分化。
The hematopoietic and vascular systems of the mouse arise from extraembryonic mesoderm that migrate through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.
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