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The Process of Implantation of Embryos in Primates
By: Justin M. Wolter
| Published: Mar 21, 2013
Implantation is a process in which a developing embryo, moving as a blastocyst through a uterus, makes contact with the uterine wall and remains…
FetusPregnancyEmbryologyDevelopmental BiologyEmbryos
Multi-Fetal Pregnancy
By: Corinne DeRuiter
| Published: Jan 01, 2012
In humans, multi-fetal pregnancy occurs when a mother carries more than one fetus during the pregnancy. The most common multi-fetal pregnancy is…
ReproductionFetusHuman Development
2D Obstetric Ultrasound
By: Sean Cohmer
| Published: Jan 01, 2012
The development of the obstetric ultrasound has allowed physicians and embryologists to obtain a clear picture of the developing human embryo and…
TechnologyUltrasonographyReproductionmedicineHuman Development
Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) Gene
By: Kristina Winikates
| Published: Jan 01, 2012
The Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene was identified in 1989 by geneticist Lap-Chee Tsui and his research team as the…
Cystic FibrosisReproductionCongenital DisordersHuman Development
Parasitic Twins
By: Corinne DeRuiter
| Published: Aug 16, 2011
Parasitic twins, a specific type of conjoined twins, occurs when one twin ceases development during gestation and becomes vestigial to the fully…
Twins, ConjoinedReproductionFetusCongenital DisordersHuman Development
Twin-to-Twin Transfusion Syndrome
By: Corinne DeRuiter
| Published: Aug 16, 2011
Twin-to-Twin Transfusion Syndrome (TTTS) is a rare placental disease that can occur at any time during pregnancy involving identical twins. TTTS…
Fetofetal TransfusionReproductionFetusCongenital DisordersHuman Development
The Discovery of Fetal Alcohol Syndrome
By: Erica O'Neil
| Published: May 09, 2011
The term Fetal Alcohol Syndrome (FAS) was first published in 1973 in an article published in the British medical journal The Lancet. In that article…
fetal alcohol syndromeReproductionHuman Development
Effects of Prenatal Alcohol Exposure on Ocular Development
By: Erica O'Neil
| Published: May 04, 2011
Maternal consumption of alcohol (ethanol) can result in a range of alcohol-induced developmental defects. In humans, those collective birth defects…
fetal alcohol syndromeReproductionHuman Development
Effects of Prenatal Alcohol Exposure on Cardiac Development
By: Erica O'Neil
| Published: Apr 30, 2011
A variety of developmental defects occur as a result of prenatal exposure to alcohol (ethanol) in utero. In humans, those defects are collectively…
fetal alcohol syndromeReproductionHuman Development
Effects of Prenatal Alcohol Exposure on Basal Ganglia Development
By: Erica O'Neil
| Published: Apr 24, 2011
Prenatal exposure to alcohol (ethanol) in human and animal models results in a range of alcohol-induced developmental defects. In humans, those…
fetal alcohol syndromeReproductionHuman Development