As we've found cells from adult organisms that seem to be multipotential and studied them more carefully, some of their potentials turn out to be lost, they're not exactly the same.

因为我们在成人机体中找到,这些看上去是多能干细胞的细胞后,仔细研究后发现它们的一些潜能已经丢失,和胚胎中的那些并不一样

耶鲁公开课 - 生物医学工程探索课程节选

Adult stem cells are acquired in some fashion from an adult organism.

成人干细胞是用某些方式,从成人体内提取的

耶鲁公开课 - 生物医学工程探索课程节选

Other companies have developed stem cells from adult tissue, sidestepping the controversy.

CNN: FDA approves human embryonic stem cell study

They strongly advocate the use of stem cells from adult tissue.

BBC: Embryonic stem cells: Advance in medical human cloning

Working on mice, they showed that DISC1 was active, both in cells taken from embryos and in brain stem cells taken from adult mice.

BBC: Gene 'has key schizophrenia role'