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Circulatory Changes at Birth
By: Brad Jacobson
| Published: Sep 12, 2010
When placental mammals are born their circulatory systems undergo radical changes as the newborns are prepared for independent life. The lungs are…
Blood CirculationMammalscirculation
The Effects of Diethylstilbestrol on Embryonic Development
By: Tristan Cooper-Roth
| Published: Sep 12, 2010
Estrogen plays a key role in the regulation of gene transcription. This is accomplished by its ability to act as a ligand and to bind to specific…
DiethylstilbestrolEstrogenHuman Development
Fate Map
By: Corinne DeRuiter
| Published: Sep 08, 2010
Early development occurs in a highly organized and orchestrated manner and has long attracted the interest of developmental biologists and…
Cell Lineage
The Effects of Bisphenol A on Embryonic Development
By: Tristan Cooper-Roth
| Published: Sep 07, 2010
Bisphenol A (BPA) is an organic compound that was first synthesized by Aleksandr Dianin, a Russian chemist from St. Petersburg, in 1891. The chemical…
bisphenol AReproductionHormonesHuman Development
Corpus Callosum Defects Associated with Fetal Alcohol Syndrome
By: Erica O'Neil
| Published: Sep 07, 2010
Prenatal exposure to alcohol (ethanol) can result in a continuum of developmental abnormalities that are highly variable depending on the severity,…
fetal alcohol syndromeReproductionHuman DevelopmentFetus
Effects of Prenatal Alcohol Exposure on Cerebellum Development
By: Erica O'Neil
| Published: Sep 06, 2010
Prenatal exposure to alcohol (ethanol) results in a continuum of physical, neurological, behavioral, and learning defects collectively grouped under…
fetal alcohol syndromeReproductionHuman Development
Pregnancy Tests
By: Kristin Kelley
| Published: Sep 02, 2010
Throughout history methods involving urine have been a popular way to test for pregnancy. Early ideas ranged from simply observing the color of a…
TechnologyPregnancy TestsReproductionFertility
Hysterectomy
By: Kristin Kelley
| Published: Sep 02, 2010
A hysterectomy is the surgical removal of a woman's uterus. For many women, a hysterectomy comes as a solution to health problems as diverse as…
TechnologyHysterectomyReproductionmedicine
Amniocentesis Prior to 1980
By: Kristin Kelley
| Published: Sep 02, 2010
The extraembryonic membranes that surround and originate from the embryos of vertebrates such as birds, reptiles, and mammals are crucial to their…
AmniocentesisReproductionFetus
"Generation of Induced Pluripotent Stem Cells Using Recombinant Proteins" (2009), by Hongyan Zhou et al.
By: Samuel Philbrick
| Published: Aug 30, 2010
Induced pluripotent stem cells (iPSCs) are studied carefully by scientists not just because they are a potential source of stem cells that…
LiteratureStem CellsPublicationsRegeneration