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US Endocrine Disruptor Screening Program
By: Alexis Abboud
| Published: Feb 02, 2017
In 1996, the US Congress mandated that the US Environmental Protection Agency (EPA) create and regulate the Endocrine Disruptor Screening Program.…
Endocrine disrupting chemicalsEndocrine toxicologyDevelopmental endocrinologyEndocrine SystemHormones
On the Generation of Animals, by Aristotle
By: Cera R. Lawrence
| Published: Oct 02, 2010
Aristotle's On the Generation of Animals is referred to in Latin as De Generatione animalium. As with many of Aristotle's writings, the exact date of…
LiteratureReproductionPublicationsphilosophy
In the Womb: Identical Twins (2009), by National Geographic
By: Maggie Pingolt
| Published: Mar 08, 2012
National Geographic's documentary In the Womb: Identical Twins focuses on the prenatal development of human identical twins. Director Lorne Townend…
LiteratureTwinsDocumentary filmsTestosteroneMethylation
Hensen's Node
By: Maria Doty, Corinne DeRuiter
| Published: Jun 21, 2011
A node, or primitive knot, is an enlarged group of cells located in the anterior portion of the primitive streak in a developing gastrula. The node…
GastrulationChicks
Joseph Needham (1900-1995)
By: Adam R. Navis
| Published: Nov 01, 2007
Joseph Needham was an embryologist and biochemist who is most noted in science for his studies on induction in developing embryos. Needham worked…
PeopleEmbryonic InductionBiography
“The Risk of Ectopic Pregnancy after Tubal Sterilization” (1997), by Herbert B. Peterson, Zhisen Xia, Joyce M. Hughes, Lynne S. Wilcox, Lisa Ratliff Tylor, and James Trussell
By: Cole Nichols
| Published: Jun 05, 2025
In 1997, Herbert B. Peterson and colleagues published “The Risk of Ectopic Pregnancy after Tubal Sterilization,” hereafter “The Risk of Ectopic…
Female SterilizationMale SterilizationTubal sterilizationEctopic PregnancyObservational Study
Environment and Birth Defects (1973), by James G. Wilson
By: S. Alexandra Aston
| Published: Jun 21, 2014
Environment and Birth Defects by James Graves Wilson in the US was published in 1973. The book summarized information on the causes of malformations…
LiteratureBirth DefectsAbnormalities, HumanTeratogensTeratology
Matthew Howard Kaufman (1942–2013)
By: Lance Villarreal
| Published: Aug 31, 2018
Matthew Kaufman was a professor of anatomy at the University of Edinburgh, in Edinburgh, UK, who specialized in mouse anatomy, development, and…
Stem cells--ResearchStem CellsEmbryology, ExperimentalEmbryologyAnatomy
Preimplantation Genetic Diagnosis
By: Nathalie Antonios
| Published: Mar 24, 2011
Preimplantation genetic diagnosis (PGD) involves testing for specific genetic conditions prior to the implantation of an embryo in the uterine wall.…
TechnologyPreimplantation DiagnosisReproductionFertilizationgenetic testing