How do nerve神经 cells work? And so to begin to understand how nerve神经 cells work, let's use our nerve神经 cells. I'd like everyone to wiggle their toes. I'm going to wiggle my toes. What just happened? Well, what you just did is you signaled a nerve神经 cell in the front of your brain, and that nerve神经 cell sends a branch all the way down to your spinal脊骨的 cord, where it talks to a second nerve神经 cell, and that nerve神经 cell sends a branch, also known as an axon, down to your toes, and your toes wiggle, something we all take for granted.
But if you have multiple多重的 sclerosis or MS, this can be very difficult to do, and some days, even impossible to do. And the question is why? And the answer is because nerve神经 cells in people with MS are sick. Now, this is a sick nerve神经 cell.
会员专属内容
开通会员，解锁完整阅读和音频收听