链球菌性红斑

Marcus Pembrey is one of a select band of scientists, a band of scientists who are daring to challenge an orthodoxy . They believe the lives of our parents, grandparents, and even our great grandparen

发表于:2018-12-07 / 阅读(82) / 评论(0) 分类 基因外遗传现象

No body had had seen this kind of thing before, so this was the first time and all the people looking at the gel and saying

发表于:2018-12-07 / 阅读(86) / 评论(0) 分类 基因外遗传现象

After we had seen how relatively easy it was to change the switches in mouse embryos, we thought that perhaps the same could be true of human embryos. In IVF, you also have the embryo for a brief peri

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 基因外遗传现象

If inheritance was not just about DNA, if these gene switches were so important, just what could turn them on or off? Stephanie and Emend Mullins have two children, Karen and Charlotte. When we were t

发表于:2018-12-07 / 阅读(93) / 评论(0) 分类 基因外遗传现象

It showed that there was clearly more to inheritance than simply the coded sequence of DNA. We then realized that we were dealing with what is now known as genomic imprinting. What genomic imprinting

发表于:2018-12-07 / 阅读(79) / 评论(0) 分类 基因外遗传现象

...lead to the end of diseases like cancer... Alzheimer's , Parkinson's , diabetes. The list is endless. We were thinking of genes in a very mechanical way. We were thinking of them just in terms of t

发表于:2018-12-07 / 阅读(109) / 评论(0) 分类 基因外遗传现象

Named after Henry Angelman, the pediatrician who first described Angelman syndrome. He referred to them as happy puppet children because it described, to some extent, the features. They have a rather

发表于:2018-12-07 / 阅读(83) / 评论(0) 分类 基因外遗传现象

We are on the brink of uncovering a hidden world, a world that connects past and future generations in ways we never imagined possible. What this means is an environmental exposure that your grandmoth

发表于:2018-12-07 / 阅读(58) / 评论(0) 分类 基因外遗传现象

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Scientists have worked for twelve years to develop what they call Green Super Rice. They say several varieties should be available to farmers about t

发表于:2018-12-16 / 阅读(72) / 评论(0) 分类 2011年VOA慢速英语(二)月

Our studies had really convinced me that it were the later experiences of the child as the child was growing up bombarded with years and years of, em, symptoms from the parents that accounted for the

发表于:2019-01-02 / 阅读(102) / 评论(0) 分类 基因外遗传现象

The impact of a famine being captured by the genes in the eggs and sperm, and a memory of this event was being carried forward to affect the grandchildren, generations later. We are changing the view

发表于:2019-01-02 / 阅读(86) / 评论(0) 分类 基因外遗传现象

病毒性皮肤病 单纯疱疹 herpes simplex 水痘 varicella; chicken pox 带状疱疹 herpes zoster kaposi水痘样疹 Kaposi's varicelliform eruption 幼儿急诊 exanthema subitum 挤奶人结节

发表于:2019-01-03 / 阅读(78) / 评论(0) 分类 医务英语

红斑鳞屑性皮肤病 多形红斑 erythema multiforme 离心性环状红斑 erythema annulare centrifugum 慢性游走性红斑 erythema chronicum migrans 匍形性回状红斑 erythema gyratum re

发表于:2019-01-03 / 阅读(86) / 评论(0) 分类 医务英语

血管性皮肤病 变应性皮肤血管炎 allergic cutaneous vasculitis 荨麻疹性血管炎 urticarial vasculitis 持久性隆起性红斑 erythema elevatum diutinum 结节性多动脉炎 polyarte

发表于:2019-01-03 / 阅读(92) / 评论(0) 分类 医务英语

deep mycosis 深部霉菌病 dermographism 皮肤划痕症 dermatalgia 皮痛 dermatitis 皮炎 dermatitis herpetiformis 疱疹样皮炎 dermatologic topical therapy 皮肤病外用治疗 dermatology 皮

发表于:2019-01-03 / 阅读(86) / 评论(0) 分类 医务英语

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-11 / 阅读(118) / 评论(0) 分类 英语杂谈

An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(一月)

Entertainment Pioneer Dick Clark Dies at 82 He was not a singer or musician, but Dick Clark was one of the most famous names in rock and roll. In the 1950s and 60s his afternoon television show, American Bandstand, was a daily staple for teens across

发表于:2019-01-13 / 阅读(71) / 评论(0) 分类 VOA标准英语2012年(四月)

Three days later Lily:Mom, I'm ready for school. Mom:Let me feel your forehead. I'm so glad it wasn't strep throat. Lily:I don't have a fever, and I'm ready for my test. Mom:But I'm not sure you're strong enough yet. Here's some seafood rice soup I m

发表于:2019-01-21 / 阅读(96) / 评论(0) 分类 Eztalk美语会话

By David McAlary Washington 05 April 2007 Scientists have discovered a genetic reason why some dogs are small and others big. They say the finding has implications beyond canine size, since the work applies to the study of other complex genetic trait

发表于:2019-02-05 / 阅读(127) / 评论(0) 分类 2007年VOA标准英语(四月)
学英语单词
A-B gap
A.A.U.W.
aer(o)-
agassizi
amberlysts
antiemigration
aphagias
Arracacia
artery of the vestibule bulb
at arms length
Aulocystis
backdoor listing
bandwagoning
berrigans
British compounds
building office
button-down collar
calcium-binding
casing upper half
clamping
close-cropped
cocous
cogesic
coldworkability
concentrated
condons
cyclical sensitive
debond
diamond pavement
dishono(u)red bill
dry pelletizing method
electro-gilding
emergency responses
energy filter
essential facility
evaporation of electrons
ex-parte evidence
filt.
foolite
fractional derivative
front mounted radiator
Gloeophyllum
graduated hardening
gyroballs
half loading section
Harads
head pond
hi-fis
hyperpsychosis
ice-pop
inside rear view mirror
internal grinder for bearing race
izzs
jobsters
Lasiocaryum densiflorum
LEPIDOGALAXIIDAE
lightened range
liquid dye laser
ljc
magnesium calcite
mark sensing row
market turnover
mechanical feeding
meristogenous
moggie
Musculomyces
Neilson, William Allan
next time
ottava alta
Pahlevi
pale rose
patronat
perfluoro-kerosene
phengite
Pipeline, distribution
plate-press dryer
plug gage
Polygonum cathayanum
porcelain covered connector
praetoriums
pulmonary respiration
Ranunculus balikunensis
re enumerate
rein up
revamped mill
Sanusiya
Sarbo's sign
semi-real time process
shift-identify
Shimando-gawa
Sikorsky
spillover of information
St Paul's Pt.
Trichosanthes subrosea
trunk transmission system
unit ready
vacuum deaerator
valvotomy
Welch bound
William Henry Hoover
xanthiol
zinecard