Place cells correspond so closely to exact physical locations that the researchers could monitor the rats’ progress around the track simply by watching which place cells were firing at any given time.
位置细胞是如此的逼近实际的轨迹,以至于研究者可以通过监视在特定时间上哪些位置细胞被激活,就能获知老鼠沿着轨迹跑动的进度。
Today, biologists, using 21st-century tools to study cells and DNA, are beginning to understand how these plants hunt, eat and digest—and how such bizarre adaptations arose in the first place.
今天,生物学家利用21世纪的工具来研究细胞和 DNA,开始了解这些植物是如何捕食和消化的——以及这些奇异的适应性最初是如何产生的。
They could be employed, Mr Murphy suggests, to place liver cells on a pre-built, liver-shaped scaffold or to form layers of lining and connective tissue that would grow into a tooth.
根据墨菲先生的说法,它能被用来将肝细胞放置到一个有着肝形状的支撑上,或者是形成牙齿所需的层状结构及链接组织。
We coat the outside with these muscle cells. We place it back into this oven-like device.
VOA: special.2010.10.19
It was the first place where the concept of stem cells was developed, in that if one looks carefully one can find immature cells in the bone marrow.
这是干细胞概念的发祥地,如果仔细观察造血系统,就能找到骨髓中的未成熟细胞
We're going to talk in some detail, not a very high level of detail, but in some detail about how this communication takes place between cells and how the information is passed down one of these cells today.
我们还要讨论些细节问题,但不是太深,今天只讲细胞间通讯的发生原理,和信息怎样从一个细胞传递到另一个细胞
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