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Stanley Alan Plotkin developed vaccines in the United States during the mid to late twentieth century. Plotkin began his research career at the…
VaccinesViral vaccinesRubellaRubella--VaccinationRubella virusErnst Gräfenberg was a physician and researcher who studied sexology, the study of human sexuality, in both Germany and the United States during the…
G spotFemale orgasmGynecologySexology--ResearchWorld War, 1914-1918Anencephaly is an open neural tube defect, meaning that part of the neural tube does not properly close or that it has reopened during early…
fetal developmentFetus--AbnormalitiesBirth DefectsEmbryologyPregnancyHilde Proscholdt Mangold was a doctoral student at the Zoological Institute at the University of Freiburg in Freiburg, Germany, from 1920-1923.…
LiteratureEmbryosTrembley, Abraham, 1710-1784GastrulationEmbryologyDizhou Tong, also called Ti Chou Tung, studied marine animals and helped introduce and organize experimental embryology in China during the twentieth…
Marine BiologyCell nuclei--TransplantationEmbryology, ExperimentalDevelopmental BiologyEmbryosRobert Guthrie developed a method to test infants for phenylketonuria (PKU) in the United States during the twentieth century. PKU is an inherited…
PhenylketonuriaMental RetardationMaple Syrup Urine DiseaseGalactosemiaMicrobiologyCaspar Friedrich Wolff is most famous for his 1759 doctoral dissertation, Theoria Generationis, in which he described embryonic development in both…
PeopleEpigenomicsBiographyEpigeneticsThe Spandrels of San Marco and the Panglossian Paradigm: A Critique of the Adaptationist Programme, hereafter called The Spandrels, is an article…
LiteratureGould, Stephen JayEvolutionAdaptationBaer, Karl Ernst von, 1792-1876As mice embryos develop, they undergo a stage of development called gastrulation. The hallmark of vertebrate gastrulation is the reorganization of…
GastrulationMiceGerm CellsSomatic embryogenesisEmbryosIn 2005, Ernest McCulloch and James Till published the article “Perspectives on the Properties of Stem Cells,” which discusses the various properties…
LiteratureStem CellsEmbryonic Stem CellsSomatic Stem CellsStem cells--Research