Search results for embryo development:
Embryo implantation offers insight into infertility
Sep 30, 2008 |
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(PhysOrg.com) -- A process that governs embryo implantation in the womb in humans has been identified for the first time. The Oxford University research, published in the journal PNAS, could shed light on what goes wrong ...
Scientists discover how an injured embryo can regenerate itself
Jun 26, 2008 |
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[B]Keep its organs in relative proportion[/B] More than 80 years have passed since the German scientist Hans Spemann conducted his famous experiment that laid the foundations for the field of embryonic development. After div ...
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 difference between fish and humans: Scientists answer century-old developmental question
Biology /
Oct 10, 2007 |
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Embryologists at UCL (University College London) have helped solve an evolutionary riddle that has been puzzling scientists for over a century. They have identified a key mechanism in the initial stages of an embryo’s development ...
Digital zebrafish embryo provides the first complete developmental blueprint of a vertebrate
Biology /
Oct 09, 2008 |
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Researchers at the European Molecular Biology Laboratory (EMBL) have generated a digital zebrafish embryo - the first complete developmental blueprint of a vertebrate. With a newly developed microscope scientists ...
A 'lab on a chip' to improve success of in vitro fertilization
Sep 01, 2008 |
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In a finding that could boost the success rate of in vitro fertilization (IVF), researchers report development of a tiny "lab on a chip" to evaluate the fitness of embryos harvested for transfer. A report ...
Jumping genes discovery 'challenges current assumptions'
Jun 12, 2009 |
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Jumping genes do most of their jumping, not during the development of sperm and egg cells, but during the development of the embryo itself. The research, published this month in Genes and Development, "challenges standard assump ...
How do you know whether you are male or female?
Biology /
Dec 27, 2007 |
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New research published online this week in the open-access journal PLoS Biology investigates this basic and much-studied question in the fruit fly, and comes to a surprising new conclusion.
Gap junction protein vital to successful pregnancy, researchers find
Sep 10, 2008 |
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Researchers studying a critical stage of pregnancy – implantation of the embryo in the uterus – have found a protein that is vital to the growth of new blood vessels that sustain the embryo. Without this protein, ...
New method of assessing women's eggs could enhance IVF success, study shows
Mar 23, 2009 |
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Many couples who have trouble conceiving a child have turned to a process known as in vitro fertilization. The resulting embryos are then transferred back into the woman or placed in storage. More than 400,000 embryos are ...
Fruit fly research may 'clean up' conventional impressions of biology
Biology /
Jul 18, 2007 |
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The metamorphosis of biology into a science offering numerically precise descriptions of nature has taken a leap forward with a Princeton team's elucidation of a key step in the development of fruit fly embryos -- discoveries ...
The skeleton: Size matters
Oct 27, 2009 |
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Vertebrates have in common a skeleton made of segments, the vertebrae. During development of the embryo, each segment is added in a time dependent manner, from the head-end to the tail-end: the first segments to be added ...
Stem cell discovery sheds light on placenta development
Jun 09, 2008 |
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Researchers studying embryonic stem cells have explored the first fork in the developmental road, getting a new look at what happens when fertilized eggs differentiate to build either an embryo or a placenta.
Developing fruit fly embryo is capable of genetic corrections
Mar 10, 2009 |
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Animals have an astonishing ability to develop reliably, in spite of variable conditions during embryogenesis. New research, published in parallel this week in PLoS Biology and PLoS Computational Biology, ...
Scientists reveal mechanism that triggers differentiation of embryo cells
Biology /
Dec 22, 2008 |
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The mechanism whereby embryonic cells stop being flexible and turn into more mature cells that can develop into specific tissues has been discovered by scientists at the Hebrew University of Jerusalem. The discovery has significant ...
