单词:Pigment cells of skin
单词:Pigment cells of skin 相关文章
Parents of East Asian, East African and Native American descent are not usually surprised when their babies are born with distinctive blueish-gray or blueish-green birthmarks on their backside. Eighty to ninety-five percent of infants from these ethn
Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e
(WA) Human populations near the equator have evolved dark skin over many generations because of exposure to the fierce rays of the Sun. A similar phenomenon has also occurred in other parts of the animal kingdom. The African grass mouse is a good ex
Why Does Spot Have Spots? In dogs with multicolored coats, white areas have no pigment cells. Black, brown or yellow areas, on the other hand, get their color from special pigment cells. When a dog is just an embryo, these pigment cells travel from t
Norm woke up to go to the bathroom. He looked in the bathroom mirror. That bump used to be smaller. It was on the side of his nose. The bump looked puffy. He touched it. It wasn't hard. It didn't hurt. It wasn't a different color. Maybe it was just s
SCIENCE IN THE NEWS - Acne, Eczema and More: Scratching the Surface on the Rough Life of Skin By Caty Weaver Broadcast: Tuesday, November 29, 2005 (MUSIC) VOICE ONE: I'm Sarah Long with Bob Doughty, a
Chinese medicine has been getting some props lately. A couple of recent studies have demonstrated the medical potential of traditional treatments. Part of the challenge of AIDS is that immune cells lose their ability to divide and thus their disease
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? One of the dreams of biomedical scientists is to be able to transform adult cells into other kinds of cells. And thus avoid some of the ethical concerns of working with
Hi, its Kasey-Dee Gardner for Why? Tell Me Why? This week we received a question about baby eye color. The question was why are most babies born with blue eyes?. And I wasnt sure that was a true statement, but it is in fact a true statement. Actually
Broadcast: May 6, 2003 By Caty Weaver VOICE ONE: I'm Sarah Long with Bob Doughty, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: Today, we talk about some disorders of th
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty. Today, we will tell about some disorders of the skin, and ways to treat them. (MUSIC) VOICE ONE: Skin. It is the largest organ of the b
AS IT IS 2016-10-09 Scientists Create Realistic Model of Dinosaur 科学家制作逼真的恐龙模型 British scientists have created what they believe is the best three-dimensional model of a dinosaur ever built. They say the model is almost the ex
ROBERT SIEGEL, HOST: We're going to hear now how doctors in Europe used genetically engineered skin cells to treat a child who was on the verge of death from a rare inherited disease. The treatment represents a notable success for the field of gene t
HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may
By VOA News 20 November 2007 Two separate teams of scientists say they have transformed ordinary human skin cells into ones that look and act like embryonic stem cells. Laboratory teams at universities in the United States and Japan Tuesday announced
At this rate, scientists will have to come up with a better description for the tomato than mere 'superfood'. While it has long been credited with cutting cholesterol and preventing some cancers, the fruit now appears to have two more healthgiving be
Human bodies are frail, easily damaged packages full of parts that can never fully come back once lost. Luckily, researchers worldwide are working on replacing every bit of the body to make us all cyborgs. 人的身体是十分脆弱的,有些娇弱的
Your teenage son wrecks the car. Your daughter shows up with her recently paroled boyfriend. These are the sorts of things that can make your hair turn gray overnight. Actually, it's impossible for hair to completely change color overnight. Hair colo
Q: What is the saddest truth about life? 生活中令人沮丧的真相是什么? 获得9.5k好评的答案@Dushyant Bhati Half the world's starving; the other half is trying to lose weight. 世界上有一半的人正在挨饿,另一半的人却在
I didn't know this about you,cause I'm a big,I told you I'm a huge fan of the show backstage,but I'm shocked at how tall you are. 我不知道你的这一点 我在后台跟你说 我很喜欢这部剧 但你居然有这么高 It's unusual.Actually,w