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In "Versuche zur Analyse der Induktionsmittel in der Embryonalentwicklung," published in Naturwissenschaften in 1932, Hermann Bautzmann, Johannes…
Organizers, EmbryonicExperimentsTransplantationThe National Association for Down Syndrome, or NADS, is an organization that was founded in 1960 by Kathryn McGee in Chicago, Illinois, to support…
OrganizationDown syndromeChildren with Down syndromeMothers of children with Down syndromeDown syndrome--Patients--BiographyEnovid was the first hormonal birth control pill. G. D. Searle and Company began marketing Enovid as a contraceptive in 1960. The technology was…
TechnologyContraceptionReproductionReproductive RightsNicole Marthe Le Douarin was one of the first progressive female pioneers of developmental and embryological research. Some of her most notable and…
PeopleBiographyChicksBirdsSt. George Jackson Mivart studied animals and worked in England during the nineteenth century. He also proposed a theory of organismal development…
EvolutionJacques Loeb broadened and corrected his earlier claims concerning artificial parthenogenesis in sea urchins in a series of experiments in 1900. He…
ParthenogenesisExperimentsSea UrchinsAmong his myriad scientific and artistic contributions, Leonardo da Vinci's work in embryology was groundbreaking. He observed and diagramed the…
LiteratureLeonardo, da Vinci, 1452-1519Human DevelopmentPublicationsFetusThe hanging drop tissue culture is a technique utilized in embryology and other fields to allow growth that would otherwise be restricted by the flat…
TechnologyTissue cultureTissue Culture TechniquesSpina bifida is a birth defect that affects the spines of developing fetuses and infants, and research in the 20th century indicated that chemicals…
Agent OrangeHerbicidesSpina BifidaNeural tube--AbnormalitiesSpinal cord--AbnormalitiesHormone replacement therapy, or HRT, is a form of medication often used to treat the symptoms of menopause. According to the National Institute on…
MenopauseEstrogen Replacement TherapyEstrogen Progestin Combination TherapyMenopause--Hormone TherapyMenopause--Hormone Therapy--Complications