aIn certain applications, it may be appropriate to assume that there is no intermediate Fig. 6. 在某些应用,假设也许是适当的,没有中间的。 6. [translate] aScientists have figured out how to take adult stem cells from the skin and other organs and reprogram them 科学家推测如何采取大人干细胞...
Finally, kidneys produce the hormone erythropoietin (EPO). EPO plays a role in the production of red blood cells. Acting like a shield, EPO protects red blood cells during infancy, and, in turn, stimulates the stem cells in bone marrow to increase the production of additional red blood cells...
I want you to take care of her while I’m gone. I trust you. KI-WOO I appreciate the trust, but you want me to pretend I’m a college student? MIN-HYUK Ki-Woo, think about it. How many times have you taken the college entrance exam? Twice before your military service and ...
Why don't antibiotics kill normal cells? What is a vitamin, and why do we need to take them every day? How do poisons work? What does it mean to be alive, at least at the cellular level? All of these questions have obvious answers once you understand how cells work -- so let's ...
In this article, we will take a close look at how your lungs work and how they keep your body's cells supplied with oxygen and get rid of the carbon dioxide waste. We will explain some of the conditions and diseases that make breathing harder and cause the lungs to fail. We will also...
Many of us dream of radiant andhealthy skin, but everywhere we go, there are factors that keep us from reaching this dream. While working at the office doesn’t necessarily expose you to pollutants that can irritate the skin, it can also take a toll on healthy cells. ...
原文链接:How to take care of your skin Skin care involves more than just cleaning it and using lotion. It also involves having a healthy diet, getting enough sleep and exercise, and managing stress levels. Your unique skin type may also determine any additional treatments as well, such as ...
Your body is a collection of cells which depend on oxygen in order to stay alive. Being able to think and move require your body to possess oxygen. Oxygen is present in the air around you, along with nitrogen and other gases. Oxygen enters your body thro
aOur molecular understanding of how immune cells protect epithelial cells against damage is limited. In this issue of Immunity, Hanash et al. (2012) report that interleukin-22 produced by innate lymphoid cells provides protection to the stem cell niche of the intestinal epithelium. 我们的分子理解...
researchers discovered ways to manipulate specific memories in mice using optogenetics, a powerful technique that can trigger nerve cells in animals brains by zapping them with beams of laser light. In a series of experiments, they showed that they could delete existing memories and "incept" false...