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Embryonic stem cell - Wikipedia, the free encyclopedia有一對老夫妻,老王與王嫂,到拉斯維加斯渡假。老王一直很想要一雙真正的牛仔靴,所以當他發現有一雙牛仔靴正在拍賣時,他便毫不猶豫地買下來,馬上穿上它。 老王很自豪地走回旅館去,一進房門就對老婆說: 「你看我哪裡不一樣?」王嫂看了看,說道:「沒有。」老王很興奮地說:「別這樣,老婆,看仔Embryonic stem cells (ES cells) are pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage preimplantation embryo.[1][2] Human embryos reach the blastocyst stage 4–5 days post fertilization, at which time they consist of 5...
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