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The process of gastrulation allows for the formation of the germ layers in metazoan embryos, and is generally achieved through a series of complex…
Haeckel, Ernst, 1834-1919GastrulationAmphibiansFrogsIn 1948, Olive Watkins Smith published 'Diethylstilbestrol in the Prevention and Treatment of Complications of Pregnancy' in the American Journal…
LiteraturePregnancyEndocrine disrupting chemicalsHormonesObstetricsPreformationism was a theory of embryological development used in the late seventeenth through the late eighteenth centuries. This theory held that…
OvaSpermThe 1973 Supreme Court case Roe v. Wade was a significant event in the story of fetal personhood—the story of whether embryos and fetuses are legal…
Fetus--Legal status, laws, etc.--United StatesFetus--Research--Law and legislationEmbryoAbortion--Law and legislation--United StatesAbortion--Law and legislationIn 2015, the British Broadcasting Corporation (BBC) partnered with The Open University to produce the three-part documentary series, Countdown to…
LiteratureConceptionGestationReproductionPhysiologyOn 20 November 2009 Democrat Barack Obama replaced Republican George W. Bush as president of the United States. Obama soon initiated changes to Bush'…
LawStem CellsEmbryonic images displayed in Life magazine during the mid-twentieth century serve as a representation of technological advances and the growing…
PublicationsReproductionChicksHuman DevelopmentFetusGastrulation is an early stage in embryo development in which the blastula reorganizes into three germ layers: the ectoderm, the mesoderm, and the…
GastrulationChicksCharles Bonnet was a naturalist and philosopher in the mid eighteenth century. His most important contribution to embryology was the discovery of…
PeopleParthenogenesisBiographyDell Publishing in New York City, New York, published Lennart Nilsson's A Child Is Born in 1966. The book was a translation of the Swedish version…
LiteraturedevelopmentPregnancyfetal developmentFetal Growth