Related topics: stem cells , embryonic stem cells , in vitro fertilization
Embryo
hideAn embryo (irregularly from Greek: ἔμβρυον, plural ἔμβρυα, lit. "that which grows," from en- "in" + bryein "to swell, be full"; the proper Latinate form would be embryum) is a multicellular diploid eukaryote in its earliest stage of development, from the time of first cell division until birth, hatching, or germination. In humans, it is called an embryo until about eight weeks after fertilization (i.e. ten weeks LMP), and from then it is instead called a fetus.
For more information about Embryo, read the full article at
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News tagged with embryos
Researchers revise long-held theory of fruit-fly development
Dec 17, 2009 |
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For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...
Brooding fishes take up nutrients from their own children
Dec 08, 2009 |
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In the pipefish, the male cares for the offspring. Apart from the ones he sucks the life out of. The discovery of filial cannibalism in the pipefish is now creating a stir in the research world.
When is a stem cell really a stem cell?
Nov 24, 2009 |
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(PhysOrg.com) -- Induced pluripotent stem (iPS) cells -- adult cells reprogrammed to look and function like versatile embryonic stem cells -- are of growing interest in medicine. They may provide a way to ...
Measure to change U. of Neb. stem-cell rule fails (Update 2)
Nov 21, 2009 |
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(AP) -- The University of Nebraska's governing board on Friday voted not to place tighter restrictions on embryonic stem cell research than those outlined under federal guidelines, which were expanded after ...
Embryonic stem cell therapy closer to human trials
Nov 19, 2009 |
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Embryonic stem cell therapy got a step closer to the clinic Thursday after US researchers said they filed a request for government approval of human trials.
Tiny injector to speed development of new, safer, cheaper drugs
Chemistry / Analytical Chemistry
Nov 04, 2009 |
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It's no bigger than a stamp packet but it has the potential to allow rapid development of a new generation of drugs and genetic engineering organisms, and to better control in-vitro fertilization.
Frog embryos associate the smell of predators with danger
Nov 03, 2009 |
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(PhysOrg.com) -- A new study in the US and Canada has found that frogs can learn to associate the smell of predators with danger, even as embryos.
Of mice and men: Stem cells and ethical uncertainties
Oct 29, 2009 |
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The recent creation of live mice from induced pluripotent stem cells (iPSCs) not only represents a remarkable scientific achievement, but also raises important issues, according to bioethicists at The Johns Hopkins University's ...
Identifying the Metabolism of a Healthy Embryo Could Improve Infertility Treatment
Oct 21, 2009 |
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(PhysOrg.com) -- Embryos that are most likely to result in a pregnancy are crucial to the success of in vitro fertilization (IVF) but are difficult to identify. Researchers at Yale School of Medicine, led ...
IVF insurance coverage yields fewer multiple births, researchers find
Oct 20, 2009 |
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The proportion of in vitro fertilization (IVF) multiple births was lower in the eight states that provide insurance coverage for couples seeking IVF treatment, primarily due to fewer embryos transferred per cycle, Yale School ...
Scientists grow mice heart muscle strip that beats
Oct 15, 2009 |
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(PhysOrg.com) -- Scientists have grown a piece of heart muscle - and then watched it beat - by using stem cells from a mouse embryo, a big step toward one day repairing damage from heart attacks.
Fish fend off invading germs with an initial response similar to the one found in people
Sep 24, 2009 |
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Since the human response to infection is highly complex, research to understand how people fight infection is facilitated by studying how similar processes occur in simpler organisms. Zebrafish are becoming an important model ...
Researchers working to develop, market embryonic test for bovine genetics
Sep 17, 2009 |
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(PhysOrg.com) -- Looking at the genetic makeup of cattle to determine their value is nothing new. An examination of a small sample of hair or blood can reveal if a calf has any genetic diseases that will lower ...
Secrets in a seed: Clues into the evolution of the first flowers
Sep 14, 2009 |
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Approximately 120-130 million years ago, one of the most significant events in the history of the Earth occurred: the first flowering plants, or angiosperms, arose. In the late 1800s, Darwin referred to their development ...
The Medical Minute: Preservation of fertility -- gynecologic cancer
Sep 03, 2009 |
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In recent years, several new innovations have been employed in the treatment for women with gynecologic cancer in an effort to preserve fertility. These innovations consist of conservative ovarian staging, embryo/oocyte cryopreservation, ...
