A classic metaphor in biology pictures an embryonic cell at the top of a hill.

生物学里有一个经典的比喻：胚胎细胞就像山顶上的石块。

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His work on embryonic stem cells was a breakthrough, but it also brought intense controversy and media attention, turning him somewhat reclusive.

虽然他在胚胎干细胞的研究上取得了突破性的进展，但随之而来的激烈争论和媒体关注也迫使他归于沉寂。

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Last year a group at the University of Minnesota found a way to guide into human embryonic stem cells into becoming a potent type of white blood cell which destroys tumour cells.

去年，美国明尼苏达大学的研究小组找到了一种办法，把人类胚胎干细胞引导成一种强有力的白细胞，这种白细胞会破坏肿瘤细胞。

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So we needed to come up with another source, a renewable source, so we turned our attention to embryonic stem cells.

因此，我们需要一种替代材料，一种可以再生的材料，我们注意到了胚胎干细胞胚胎干细胞。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

To start out I'm going to go back to the thinking about development a little bit, embryonic development, and show you a picture here.

作为这节课的开始,我先稍微回顾一下,一些关于发育过程的内容,先说胚胎发育,这里有张图

耶鲁公开课 - 生物医学工程探索课程节选

These cells around the outside form the interface, the placenta, where the maternal blood circulation meets the embryonic circulation and nutrients are passed back and forth that way in a very highly regulated and important way.

外层的细胞形成接触面,即胎盘,是母血与胎血,进行血液交换,及营养物质交换的场所,整个过程高度有序并且非常重要

耶鲁公开课 - 生物医学工程探索课程节选

More recently, the Oslo peace process gave the embryonic political institutions of the embryonic Palestine a powerful foothold in the city, symbolised by the transformation of Orient House, a former hotel, into a cross between a town hall and an embassy.

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Shan Wang of Stanford has used a GMR chip smaller than a postage stamp to detect carcinoma-embryonic antigen (a sign of colon and rectal cancer) and human papilloma virus, the main cause of cervical cancer.

ECONOMIST: Labs on a chip

This morning, Geron of Menlo Park, for years a leading company in embryonic stem cell research, announced that the first patient had been dosed in a study of its embryonic stem cell treatment for spinal cord injury.

FORBES: Don't Get Too Excited About The First Embryonic Stem Cell Patient