Atala: We found them in the amniotic fluid that surrounds the embryos and fetuses in a woman's womb.
Atala: We found them in the amniotic fluid that surrounds the embryos and fetuses in a woman's womb.
阿塔拉：我们在妇女子宫胚胎和胎儿周围的羊水中发现了这种干细胞。
Atala: We found them in the amniotic fluid that surrounds the embryos and fetuses in a woman's womb.
阿塔拉：我们在妇女子宫胚胎和胎儿周围的羊水中发现了这种干细胞。