Human fetuses

Xem 1-20 trên 52 kết quả Human fetuses
  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Wertheim cung cấp cho các bạn kiến thức về ngành y đề tài: Development of daily rhythmicity in heart rate and locomotor activity in the human fetus...

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: 3-D reconstruction of a human fetus with combined holoprosencephaly and cyclopia

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  • Methylation was initially addressed as one of the most primitive mechanisms that organisms utilize to (a) protect genomic DNA and initiate the host resistance mechanism towards foreign DNA insertion and subsequently, (b) control gene expression, (Doerfler & Böhm, 2006). From an evolutionary point of view as well, the catalytic domain in the structure of the methylation enzymes across all organisms has been preserved to perform methyl group addition.

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  • (BQ) Part 1 book "Larsen's human embryology" presentation of content: Gametogenesis, fertilization and first week, becoming bilaminar and fully implanting, becoming trilaminar and establishing body axes, forming the embryo, principles and mechanisms of morphogenesis and dysmorphogenesis, fetal development and the fetus as a patient, development of the skin and its derivatives,...

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  • During the last decades, global organizations and women’s rights advocates have called on governments to recognise the multiple determinants of women’s health, and there has been a growing consensus about the need to integrate and widen health services to respond to a broad variety of problems affecting them.

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  • In some patients ankylosing spondylitis is restricted exclusively to an affection of the sacro- iliac articulation (sacroiliitis), best shown by MRI, as it causes bone marrow edema and cartilage changes. X-ray takes a long time to reveal this arthritis, because there only bone destruction and ankylosis are visible, these are not seen in the early stages of the disease. In the end sacroiliitis can lead to total destruction and ankylosis of the sacroiliacal joint, then of course it is clearly visible in x-ray (Figure 3).

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  • Apoptosis in the developing nervous system results in naturally occurring cell death (NOCD), a necessary and desirable process. NOCD effectively eliminates neurons that have made faulty synapses or have not reached appropriate targets. 1 In the rest of the organism, apoptosis is essential for organogenesis, sculpts digits and extremities, and plays a role in determining polarity of structures by contributing to directional growth of cell populations. 2 Failure of carefully orchestrated and effective apoptosis in the developing fetus can have serious and long-lasting effects in the adult.

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  • Green projects - particularly sustainable energy sources and clean technology - include multiple technologies, at different stages of maturity, and require different types of financing vehicle. Most pension funds are more interested in lower risk investments which provide a steady, inflation adjusted income stream - with green bonds consequently gaining interest as an asset class, particularly - though not only - with the SRI universe of institutional investors.

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  • Most of the early work on abuse of the elderly was limited to domestic settings and carried out in developed countries. In seeking explanations for elder abuse, researchers drew from the literature in the fields of psychology, sociology, gerontology and the study of family violence. To accommodate the complexity of elder abuse and the many factors associated with it, researchers have turned to the ecological model, which was first applied to the study of child abuse and neglect (24) and has been applied more recently to elder abuse (25, 26).

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  • The skin plays an important role in maintaining the integrity of the living organism while allowing the interaction of the organism with its environment. To fulfill these functions, mechanical stability is as important as flexibility. The mechanical properties of skin are very diverse depending on the anatomical location, and they evolve throughout life from the fetus to old age. Both genetic and acquired skin diseases modify skin biomechanics, as do intrinsic and photoaging.

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  • With the automation of cashless payment transactions, the fact that a cheque is a payment instrument which is payable at sight has proved to be one of its key disadvantages. In other words, cheques must always be collected and presented in paper-based form. In 1985, the central associations of the German banking industry and the Deutsche Bundesbank agreed on a paperless cheque collection procedure (formerly called the BSE Agreement, now part of the Cheque Agreement), while deliberately waiving the statutory obligation to physically present cheques.

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  • Today’s smartphones, tablets and connected devices are virtually all GPS enabled thus allowing for a myriad of location oriented marketing opportunities. The types of service and marketing described in the sections below are just the beginning – the MMA will continue to monitor the situation globally and provide topical updates as they present themselves. Types of Location Based Services: Below are common types of Location Based Services for consumers and enterprises. Many Location Based Services today combine concepts from several of the types listed below.

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  • If acheiropoietos images are for Godard the ultimate aesthetic and conceptual model for his cinema, Tarkovsky’s reference to icons remains unexplained. Nevertheless, Bonfand dares to write that ‘Takovsky’s films are for cinema in general what the icons are for painting’ (239). It is not with filming real icons (Andrei Rublev, 1969) that Tarkovsky expresses the iconic value of his work, but rather from that moment on, in the cinematic construction of the shots themselves.

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  • This report takes an in-depth look at the chal- lenges facing New York City’s middle class. More than a year in the works, the report draws upon an extensive economic and demographic analysis, a historical review, focus groups conducted in every borough and over 100 individual interviews with ac- ademics, economists and a wide range of individuals on the ground in the five boroughs. These include homeowners, labor leaders, small business own- ers, real estate brokers and developers, immigrant advocates, and officials from two dozen community boards. ...

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  • Tham khảo sách 'toxicity and drug testing', y tế - sức khoẻ, y học thường thức phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Heat transport limitation in larger tissue may also affect survival. Due to the macroscopic size of tissue-engineered products and its finite thermal conductivity, there may be large thermal gradients from the surface to the interior of the samples. The presence of a thermal gradient during cooling and warming phases makes it difficult to choose optimal temperature change protocols for both surface and interior cells. Moreover, osmotic effects (water movement from inside-unfrozen cells to outside-frozen cells) during cooling, reduces cell survival.

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  • In 1989, the government of Mexico City introduced a program, Hoy No Circula, which bans most drivers from using their vehicles one workday per week based on the last digit of the ve- hicle’s license plate. The program has been strictly enforced and has been since emulated in Bogota, Santiago and S˜ao Paolo. This paper measures the effect of the driving restrictions on air quality using high-frequency measures from monitoring stations. Across pollutants and spec- ifications there is no evidence that the program has improved air quality.

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  • The appeal of alcohol to underage youth can also be limited by reducing youth exposure to alcohol advertising and marketing. The Federal Trade Commission has issued a series of reports on the topic and has encouraged voluntary action on the part of the alcohol indus- try.1, 12, 13 In response, alcohol marketers have made some limited reforms in their volun- tary codes. However, these revisions fall far short of recommendations from the National Academy of Sciences,14 state attorneys general, 15, 16 and other scientific and advocacy organ- izations.

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  • Whether you are soliciting competitive bids or negotiating a sole-source contract, you should describe your project and your expectations in writing. Use a request for proposals (RFP) to review the overall purpose of the project, including which sculptures are involved. State who will supervise the project, what the expected timetable is, and what the proposal deadline is. Outline the type and extent of insurance the conservator will be expected to carry, and spell hout any special circumstances the bidders should know about.

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  • Deploying a computationalmarket for resource alloca- tion in the systems domain can benefit two research con- stituencies. The first constituency, which will be ignored for the rest of this paper, are the experimental economists and economically-minded computer scientists. Rarely are economists actually given the opportunity to deploy a market or a whole economy, let alone several for compar- ison.

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