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Gustav Jacob Born was an experimental embryologist whose original work with amphibians served as the platform for his wax-plate method of embryo…
PeopleTransplantationBiographyAmphibiansIn 2007, Françoise Baylis and Jason Scott Robert published “Part-Human Chimeras: Worrying the Facts, Probing the Ethics” in The American Journal of…
LiteratureChimerismNeuronsChimeraGeneticsIn 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--ResearchVictor Albrecht von Haller was an 18th century scientist who did extensive work in the life sciences, including anatomy and physiology, botany, and…
OvumOvaFetus“Program of Action of the International Conference on Population and Development” comprises the majority of context within the twenty-year…
LiteratureUnited Nations and non-member nationsInternational AgenciesWomen's rightsfeminismEstrogen is the primary sex hormone in women and it functions during the reproductive menstrual cycle. Women have three major types of estrogen:…
Menstrual CycleOral contraceptivesEstrogenEstradiolEstronePercivall Pott was a physician in England during the eighteenth century who identified soot as the cause of chimney sweeps' scrotal cancer, later…
Pott, Percivall, 1714-1788CancerChimney sweepsPott Puffy TumorCarcinoma, Squamous CellChristiane Nusslein-Volhard studied how genes control embryonic development in flies and in fish in Europe during the twentieth and twenty-first…
DrosophilaEmbryologyGenesMorphogenesisRNA polymerasesMitochondrial diseases in humans result when the small organelles called mitochondria, which exist in all human cells, fail to function normally. The…
Mitochondrial pathologyMitochondriaCell organellesCell nuclei--TransplantationReproductive technologyRosalyn Sussman Yalow co-developed the radioimmunoassay (RIA), a method used to measure minute biological compounds that cause immune systems to…
RadioimmunoassayImmunoassayIsotopesPhysiologyNuclear Medicine