When they do that they can actually engulf the bacteria in a process called phagocytosis and break them down into antigens.

免疫细胞确实是将细菌整个吞进了肚内,这一过程称为吞噬作用,并将细菌分解成小抗原

耶鲁公开课 - 生物医学工程探索课程节选

So, these are all involved with our ability to maintain homeostasis by exchanging materials with the external environment.

这个过程关乎人体维持内稳态的能力,内稳态通过与外环境进行物质交换来实现

耶鲁公开课 - 生物医学工程探索课程节选

Well that process of control to maintain a constant environment inside our body, whether it's an environment of constant mass or constant composition, or constant temperature, is called homeostasis.

这个控制过程维持着,体内环境的恒定,不论是内环境中物质的量的稳定,或者成分的稳定,或温度的稳定,这种状态叫做内稳态

耶鲁公开课 - 生物医学工程探索课程节选

We've talked about one class of molecules, they're transporters that move molecules from inside to outside, or outside to in, that wouldn't ordinarily be transported through a cell membrane.

我们已经讲过一类这样的分子,它们是能够将分子从胞内运至胞外的载体,或者从胞外运至胞内,这个过程不是简单地穿过细胞膜

耶鲁公开课 - 生物医学工程探索课程节选

We talked about modern imaging methods and this is an example of an fMRI, a functional MRI; a map of the brain that not only shows you the anatomy of the brain but shows you something about the chemistry of what's going on inside.

我们还说到现代影像技术,这里是一幅脑部功能性磁共振成像图像,一种功能性的磁共振,图中不仅可以看到脑部解剖学图像,也可以看到一些脑内的生化过程

耶鲁公开课 - 生物医学工程探索课程节选

In this same way, this process of transcription which is occurring in cells throughout body all the time is made possible by a protein called RNA polymerase.

NA的合成也很类似,身体内每个细胞内,转录过程的进行都是在一种称作,RNA聚合酶的蛋白质催化下进行的

耶鲁公开课 - 生物医学工程探索课程节选