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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. Initally designed to evaluate the internet as a teaching tool for first year medical students, The Visible Embryo is linked to over 600 educational institutions and is viewed by more than ' million visitors each month.


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.
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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 weeks 0 - 40 and follow fetal growth
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June 3, 2011--------News Archive

Rett Syndrome May be Treatable In Near Future
Rett has been considered a neurodevelopmental disorder, as symptoms appear in early childhood. However, these same symptoms appear after removal of Mecp2 in adult mice, suggesting it is critical to all normal brain functioning.

Color Red Increases Speed and Strength of Reactions
When humans see red, their reactions become both faster and more forceful. And people are unaware of the color's intensifying effect.


June 2, 2011--------News Archive

Coffee Tied To Lower Prostate Cancer Risk
Regular coffee drinkers appear to have a lower risk of developing a lethal form of prostate cancer, evident in men who drank regular or decaffeinated coffee.

Mom's Placental Size Predicts Son's Heart Disease
Researchers investigating the foetal origins of chronic disease have discovered that combinations of a mother's body size and the shape and size of her baby's placenta can predict heart disease in men in later life.


June 1, 2011--------News Archive

Linking Environment and Genetics Triggering MS
Evironmental and inherited risk factors associated with multiple sclerosis converge to alter a critical cell function linked to the chronic neurologic disease.

Kids Who Bully Have Sleep Problems
Urban schoolchildren with behaviors like bullying more likely to have sleep-disordered breathing or daytime sleepiness.

Infrared Device Diagnoses Bladder Dysfunction
A cell phone-sized, wireless near-infrared device is as reliable as the current “gold standard” invasive tests in determining bladder disease.


May 31, 2011--------News Archive

Why Does Flu Trigger Asthma?
Study suggests new therapeutic targets for virally-induced asthma attacks.

Healthy Kids For Women with Mitochondrial Disease
Pre-implantation genetic diagnosis (PGD) can give women at risk of passing on a mitochondrial DNA disorder to their offspring, a good chance of being able to give birth to an unaffected child.


May 30, 2011--------News Archive

Link Between Estrogen And Blood Pressure Found
Researchers have found that long-term estrogen exposure generates excessive levels of the compound superoxide, which causes stress in the body.

Key Molecule for Stem Cell Pluripotency Discovered
Researchers have discovered what enables embryonic stem cells to differentiate into diverse cell types and thus to be pluripotent.

WHO Child Growth Charts

While recent studies have shown long-term exposure to estrogen can be a danger to women – overturning physicians’ long-held beliefs that the hormone was good for their patients’ hearts – the process by which estrogen induces high blood pressure was unclear.

In a new study, Michigan State University researchers found long-term estrogen exposure generates excessive levels of the compound superoxide, which causes stress in the body.

The buildup of this compound occurs in an area of the brain that is crucial to regulating blood pressure, suggesting that the estrogen-induced buildup causes increased blood pressure.

Findings indicated that the anti-oxidant resveratrol reverses the increase in both superoxide and blood pressure.

The study, led by P.S. MohanKumar, an associate professor of pathobiology and diagnostic investigation in the College of Veterinary Medicine, appears in the American Journal of Physiology – Regulatory, Integrative, and Comparative Physiology. The journal is published by the American Physiological Society.

“This is an important study on at least two levels,” MohanKumar said. “First, it continues to confirm the negative effect that long-term estrogen exposure has for females. Second, it provides a new rationale for how and why this relationship occurs.”

Researchers looked to the rostral ventrolateral medulla, a critical region in the brain stem involved with the maintenance of blood pressure and thought to be associated with hypertension and heart failure.

Believing that chronic exposure of estrogen could influence this area of the brain, they conducted a two-phase experiment using rats, injecting them first with estrogen and then also feeding them the anti-oxidant resveratrol. MohanKumar and his team found chronic exposure caused a significant increase in superoxide in the rostral ventrolateral medulla and in blood pressure. The team also found resveratrol reversed those increases.

“Because so many women use estrogen-only HRT to combat the effects of menopause, it is imperative that we better understand the risks that chronic exposure has for females and why these effects occur,” he said. “In studies such as this, we come one step closer to clarifying the relationship and have established a launch pad for identifying how the process might be interrupted in the future.”

The abstract of the article is available at http://bit.ly/mut5dc, while the full study appears at http://bit.ly/j15YQ1.

In addition to MohanKumar, the study team included MSU researchers Madhan Subramanian, Priya Balasubramanian, Hannah Garver, Carrie Northcutt, Huawei Zhao, Joseph R. Haywood, Gregory D. Fink and Sheba M. J. MonhanKumar.

Michigan State University has been working to advance the common good in uncommon ways for more than 150 years. One of the top research universities in the world, MSU focuses its vast resources on creating solutions to some of the world’s most pressing challenges, while providing life-changing opportunities to a diverse and inclusive academic community through more than 200 programs of study in 17 degree-granting colleges.

Original article: http://news.msu.edu/story/9426/