标签:视细胞 相关文章
第六篇 神经系统 Section 6 Nervous System 第一章 总论 Chapter 1 Introduction association neuron 联络神经元 astrocyte 星形胶质细胞 axon 轴突 bipolar neuron 双极神经元 central nervous system 中枢神经系统 chemical synapse 化学突触 cortex 皮质 dendrite
Health Report - A Way to Make New Eggs in Women? 健康报道 - 产生新卵子的新途径 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 New research could raise hope for women who are having trouble
台湾籍旅美老师今天交给我们的句子是: At the same time, I see much more about the flower than he sees. I could imagine the cells in there. The complicated actions, which also have a beauty. 同时,我也能比他更深入地看这朵
the speaker was actually a total loser in marriage. She has divorced for three times. 这个做演讲的女人其实在婚姻中是很失败的,她先后离了三次婚。 But she proposed a great idea of marrying yourself. 但是在她所有的恋爱
Fish do drink water, but how they consume it depends on where they live. Water gets into a fishs body through osmosis, the process in which water diffuses from a higher to a lower concentration. 鱼儿确实喝水,但它们怎样喝水却取决于其
If blood didnt circulate through our bodies, carrying oxygen and nutrients, we wouldnt be able to live. Blood is so important to life that the body constantly makes new blood. 如果血液不能在我们身体内循环,为人体输送氧气和营养,
Cloning offers the possibility of making exact copies of ourselves. Should this be allowed? What benefits and dangers may cloning bring? 克隆技术使我们有可能分毫不差地复制自己。这一
What Is Progeria? Progeria was first described in the nineteenth century. The mysterious disease is often thought of as premature aging. Children with progeria are normal for their first year of life, but then develop medical problems normally seen i
What Happens When You Lose Neurons? When you were born, almost all of the one trillion neurons, or nerve cells, in your brain had already formed. But those neurons still had a lot of growing to do. As kids grow, neurons in the brain branch out and ma
加拿大广播公司:研究发现,跟陌生人相比我们与朋友之间的基因更为相似,这一发现为物以类聚,人以群分的说法提供了新的佐证.遗传学家发现,无血缘关系的朋友之间有百分之一的基因是相似的
在《科学》杂志上的一篇研究中,研究者们描述了青春期时人体内细胞和分子的改变,正是这种改变促使这段时期的人们智力水平低下。 Ah, puberty. A time for raging hormones, growing independence and bei
1. President Barack Obama has been outlined the nations first comprehensive effort to curb vehicle emissions while also cutting dependence on imported oils. Hes calling the plan a historic turning point toward a clean-energy economy. 2. Authorities
研究或发现寨卡病毒与小头畸形症存在联系 This is the laboratory at Johns Hopkins'Institute for Cell Engineering in Baltimore, where scientists work around the clock for a month to find out how the Zika virus affects brain cells. 这是
Almost all cells need iron to grow. Now, researchers have identified a link between the body's system for regulating iron and breast cancer. The discovery could help doctors predict the course of breast cancer disease and even help them decide the mo
摆脱特困户 Find the natural scent that awakes you 找到自然的味道,唤醒你的每一个细胞! Smelling an aromatic oil, plant or herbis one way to wake up our senses. Try placing a pot of fresh mint or basil on your office desk, or ap
What Are Calluses And How Are They Formed? 皮肤上的茧是如何形成的? 人体皮肤由于劳动过程长期摩擦造成皮肤表皮细胞坏死而形成的,主要出现于手掌、足掌等部位。长时间的受到磨檫,组织细胞的老