One of the most obvious things about a red blood cell is it doesn't have nucleus, it has no nucleus.

红细胞最为明显的不同就是,它是无核的,它没有细胞核

耶鲁公开课 - 生物医学工程探索课程节选

Some small subsets do but most of the cells in your brain don't proliferate and that's because they get trapped at one portion of the cell cycle.

除了很小一部分以外大部分脑细胞不增殖,这是因为,它们停滞于细胞周期的某个阶段

耶鲁公开课 - 生物医学工程探索课程节选

So, it makes a binary decision, either I create an action potential or I don't, but that decision could be based on many inputs, not just on input from one cell.

所以 这里产生一个二选一的决策,就是产生动作电位亦或不产生,不过这个决定可能是,根据很多输入信号做出的,而不是仅凭单个细胞所传来的信号

耶鲁公开课 - 生物医学工程探索课程节选

Because it has MHC-1, your MHC-1 on it, this T-cell recognizes that it's one of your cells but it has a foreign antigen associated with it.

因为该细胞上有MHC-1,T细胞将这些细胞识别为自身细胞,但这些细胞带有异己抗原

耶鲁公开课 - 生物医学工程探索课程节选