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Welcome to The Visible Embryo, a comprehensive educational resource on human development from conception to birth.

The Visible Embryo provides visual references for changes in fetal development throughout pregnancy and can be navigated via fetal development or maternal changes.

The National Institutes of Child Health and Human Development awarded Phase I and Phase II Small Business Innovative Research Grants to develop The Visible Embryo in 1993 as a first generation internet teaching tool consolidating human embryology teaching for first year medical students.

Today, The Visible Embryo is linked to over 600 educational institutions and is viewed by more than 1 million visitors each month. The field of early embryology has grown to include the identification of the stem cell as not only critical to organogenesis in the embryo, but equally critical to organ function and repair in the adult human. The identification and understanding of genetic malfunction, inflammatory responses, and the progression in chronic disease, begins with a grounding in primary cellular and systemic functions manifested in the study of the early embryo.


WHO International Clinical Trials Registry Platform


The World Health Organization (WHO) has created a new Web site to help researchers, doctors and patients obtain reliable information on high-quality clinical trials. Now you can go to one website and search all registers to identify clinical trial research underway around the world!



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Disclaimer: The Visible Embryo web site is provided for your general information only. The information contained on this site should not be treated as a substitute for medical, legal or other professional advice. Neither is The Visible Embryo responsible or liable for the contents of any websites of third parties which are listed on this site.
Content protected under a Creative Commons License.

No dirivative works may be made or used for commercial purposes.

 
Pregnancy Timeline by SemestersFetal liver is producing blood cellsHead may position into pelvisBrain convolutions beginFull TermWhite fat begins to be madeWhite fat begins to be madeHead may position into pelvisImmune system beginningImmune system beginningPeriod of rapid brain growthBrain convolutions beginLungs begin to produce surfactantSensory brain waves begin to activateSensory brain waves begin to activateInner Ear Bones HardenBone marrow starts making blood cellsBone marrow starts making blood cellsBrown fat surrounds lymphatic systemFetal sexual organs visibleFinger and toe prints appearFinger and toe prints appearHeartbeat can be detectedHeartbeat can be detectedBasic Brain Structure in PlaceThe Appearance of SomitesFirst Detectable Brain WavesA Four Chambered HeartBeginning Cerebral HemispheresFemale Reproductive SystemEnd of Embryonic PeriodEnd of Embryonic PeriodFirst Thin Layer of Skin AppearsThird TrimesterSecond TrimesterFirst TrimesterFertilizationDevelopmental Timeline
Click on weeks 0 - 40 to follow fetal growth every two weeks
Google Search artcles published since 2007
 
Home-   -History-  -Bibliography-   -Pregnancy TimelinePrescription Drugs  -    Pregnancy Calculator -    Reproductive System- -  News Alerts

 

April 21 2014------News ArchiveLatest research covered daily, archived weekly

Newborn hair gives clues about life in the womb
A team of researchers have found that infant hair contains a history of the rich hormonal environment in which the fetus was growing. A potential diagnostic tool for that child's future.

April 18, 2014------News ArchiveLatest research covered daily, archived weekly

Protein essential for fertilisation discovered
First vital proteins in fertilisation between sperm and egg are now discovered at the Wellcome Trust Sanger Institute. This discovery of interacting proteins on the surface of both sperm and egg — essential to mammalian life — may lead to improved fertility treatments and new contraceptives.

April 17, 2014------News ArchiveLatest research covered daily, archived weekly

Stem cell light-activated neurons restore muscle function
The potential to restore function to muscles paralysed by conditions such as motor neuron disease and spinal cord injury, is being developed by scientists at University College London and King’s College London. Additionally, the scientists artificially control these new muscles with light.

April 16, 2014------News ArchiveLatest research covered daily, archived weekly

Breastfeeding and infant sleep
Are babies who wake to breastfeed at night trying to delay the birth of a sibling?

April 15, 2014------News ArchiveLatest research covered daily, archived weekly

Prenatal lipid levels impact autism
Groundbreaking work finds that abnormally high levels of lipid - energy storing - molecules in the brain will affect the prenatal brain, triggering autism. Environmental causes such as exposure to chemicals in some cosmetics and common over-the-counter medication — also change lipid levels.

April 14, 2014------News ArchiveLatest research covered daily, archived weekly

Yale search for earliest roots of psychiatric disorders
Yale University researchers have identified a single molecular mechanism in the developing brain that sheds light on how cells go awry when exposed to a variety of different environmental insults.

April 11, 2014------News ArchiveLatest research covered daily, archived weekly

Prenatal lipid levels impact autism
Groundbreaking work has found that abnormal levels of lipid [energy storing] molecules in the brain can affect the interaction between two key pathways in early prenatal brain development, and trigger autism. Additionally, environmental causes — exposure to chemicals in some cosmetics, common over-the-counter medication — affect the levels of these lipids.

April 10, 2014------News ArchiveLatest research covered daily, archived weekly

Dog cleft palate aids in our understanding of palate defect
University of California at Davis School of Veterinary Medicine researchers have identified the genetic mutation responsible for a form of cleft palate in the dog breed Nova Scotia Duck Tolling Retrievers.

April 9, 2014
------News ArchiveLatest research covered daily, archived weekly

Pregnancy ends sooner during heat waves
Extreme summer heat in Montreal may generate early deliveries.

April 8, 2014------News ArchiveLatest research covered daily, archived weekly

Potential treatment for mitochondrial disorders
Despite a fairly strong understanding of the pathology of some genetic mitochondrial disorders, efforts to treat them have been mostly ineffective.

April 7, 2014------News ArchiveLatest research covered daily, archived weekly

Surface area of a cell determines when it divides
Did you know that a cell measures its surface area before it determines it is time to divide? A scientist who revealed how plants "do math" has determined how cells measure their size.

April 4, 2014------News ArchiveLatest research covered daily, archived weekly

Disorganized neocortex origin of autism?
The architecture of the autistic brain is speckled with regions of incomplete cortical brain, according to new research.

April 3, 2014------News ArchiveLatest research covered daily, archived weekly

Hox genes determine body form and firefly light
Nothing had been known about the genetics or evolution of the firefly's lantern, until now. For the first time — its luminescent organ and the ancient genes used in its formation, are being understood. And Hox genes tell a large part of the story.

April 2, 2014------News ArchiveLatest research covered daily, archived weekly

Fetal alcohol disorders under-recognized
Special issue of the International Journal of Alcohol and Drug Research focuses on Fetal alcohol spectrum disorders - FASD.

April 1, 2014------News ArchiveLatest research covered daily, archived weekly

Stress impacts your ability to get pregnant
Research finds stress can delay pregnancy and double the risk of infertility.

March 31, 2014------News ArchiveLatest research covered daily, archived weekly

Rhythmic signals synchronize all change in a cell
Waves of signals at the cellular level may explain not only how embryos grow, but how snails learn as well.

March 28, 2014------News ArchiveLatest research covered daily, archived weekly

How to activate cell survival in children's disease
A team of scientists has recently discovered why cerebellar neurons in children suffering from ataxia-telangiectasia (known as "A-T") were unable to repair DNA damage.

March 27, 2014------News ArchiveLatest research covered daily, archived weekly

Brain evolution gene linked to autism
The same gene family that may have helped the human brain become larger and more complex also is linked to the severity of autism, according to new research from the University of Colorado Anschutz Medical Campus.

March 26, 2014------News ArchiveLatest research covered daily, archived weekly

UV exposure lowers folate in young women
Women who are pregnant or trying to become pregnant and taking a folic acid supplement, may be at risk of reducing their folate benefit through sun exposure, a new QUT study has warned.

March 25, 2014------News ArchiveLatest research covered daily, archived weekly

Fast-moving immune cells march-in-step
A team of biologists and engineers at the University of California, San Diego has discovered that white blood cells, which repair damaged tissue as part of the body's immune response, "walk" to inflamation sites in a step like manner.

March 24, 2014------News ArchiveLatest research covered daily, archived weekly

Why chromosome errors are high in eggs
It is estimated that up to 60 per cent of eggs are affected by errors in how their chromosomes divide, making it the leading cause of infertility. Chromosome errors also lead to conditions such as Down Syndrome and early pregnancy loss.

March 21, 2014------News ArchiveLatest research covered daily, archived weekly

Child's preference for sweet or salty linked
Biology predisposes us to like and consume calorie-rich sweet foods and sodium-rich salty foods, and this is especially true for children.

March 20, 2014------News ArchiveLatest research covered daily, archived weekly

Tension triggers muscle building
Scientists at the Max Planck Institute (MPI) of Biochemistry in Munich-Martinsried (Germany) recently identified a key mechanism involved in building basic muscle architecture during embryo development.

March 19, 2014------News ArchiveLatest research covered daily, archived weekly

The USP9X gene is critical to brain development
Research from the University of Adelaide has confirmed that the gene USP9X is linked to intellectual disability as it is critical to the earliest stages of development of the human brain.

March 18, 2014------News ArchiveLatest research covered daily, archived weekly

Forgetting is regulated
In order to function properly, the human brain requires the ability not only to store but also to forget.

March 17, 2014------News ArchiveLatest research covered daily, archived weekly

A common mutation drives leukemia relapse
Harvard stem cell scientists have identified a mutation in human acute lymphoblastic leukemia that most likely drives relapse of the disease. The finding in zebrafish, may be clinically relevant for humans.

March 14, 2014------News ArchiveLatest research covered daily, archived weekly

A gel that repairs bone and may replace teeth
Material inspired by an embryo's power to shape organs could enable doctors to engineer new teeth, bone, or even more tissues. A bit of pressure from a new shrinking, sponge-like gel is all it takes to turn transplanted unspecialized cells into cells that lay down minerals and begin to form teeth.

March 13, 2014------News ArchiveLatest research covered daily, archived weekly

How a zebra gets its stripes
Research from the University of Pittsburgh and Brandeis University proves Alan Turing’s Theory of Morphogenesis 60 years after his death.

March 12, 2014------News ArchiveLatest research covered daily, archived weekly

Scientists link missing DNA to birth defects
By clarifying a syndrome’s genetics, researchers have begun identifying the biological root of cleft palate, epilepsy and respiratory difficulties, a condition called human Xq22.1 deletion syndrome.

March 11, 2014------News ArchiveLatest research covered daily, archived weekly

Potential target for treating allergic asthma
The Cbl-b enzyme is supposed to ‘throw away’ the protein Stat6 if it overstays its welcome during an immune response. Research suggests it could be a target for drugs used to treat allergic asthma and other autoimmune disorders.

March 10, 2014------News ArchiveLatest research covered daily, archived weekly

Protein linked to learning, pain, brain disorders
Researchers at The Scripps Research Institute (TSRI) and Vanderbilt University have created the most detailed 3-D picture yet of a membrane protein linked to learning, memory, anxiety, pain and brain disorders such as schizophrenia, Parkinson's, Alzheimer's and autism.

March 7, 2014------News ArchiveLatest research covered daily, archived weekly

3-D imaging reveals how Apert syndrome develops
Apert Syndrome can cause the bones in the fetal skull to fuse together, amutation causing mid-facial deformities, a variety of neural malformations and impaired brain growth.

March 6, 2014------News ArchiveLatest research covered daily, archived weekly

Evolution at work
A slice of brain from a macaque monkey embryo reveals unique evolutionary innovation in the primate brain.

March 5, 2014------News ArchiveLatest research covered daily, archived weekly

Link between Vitamin D, Serotonin and Autism
Dietary interventions have relevance for prevention and possibly for treatment of autism.

March 4, 2014------News ArchiveLatest research covered daily, archived weekly

How low birth weight affects the adult
Researchers have identified another concern related to low birth weight – a difference in how the adult's body reacts to drugs. These differences may last a person’s entire life and further complicate treatment of that individual's illness or disease and how ` managed by medications.

March 3, 2014------News ArchiveLatest research covered daily, archived weekly

Pinpointing area of social memory
Researchers have determined that a small region of the hippocampus - known as CA2 - is essential for social memory, the ability of an animal to recognize another of the same species.

Feb 28, 2014------News ArchiveLatest research covered daily, archived weekly

Lack of prenatal vitamin A and asthma
Smooth muscle abnormalities in developing airways may be overlooked factor in asthma.

Feb 27, 2014------News ArchiveLatest research covered daily, archived weekly

Cell fate switch that decides liver - or pancreas?
A cell’s fate, Harvard research found, is determined by the nearby presence of prostaglandin E2, a molecule best known for its role in inflammation and pain.

Feb 26, 2014------News ArchiveLatest research covered daily, archived weekly

One in three women not taking folic acid before pregnancy
Research reveals less than 1 in 3 women take folic acid supplements before pregnancy to prevent spina bifida and other birth defects of the brain, spine, or spinal cord (neural tube defects) — despite 1991 research showing such conditions could be prevented by increasing B-vitamin folic acid before pregnancy.

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