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Charles Manning Child designed an experimental test, the susceptibility assay, to measure the effects of different toxins on developmental processes…
TechnologyChild, Charles Manning, 1869-1954OvadifferentiationJérôme Lejeune was a French physician and researcher who studied genetics and developmental disorders. According to the Jérôme Lejeune Foundation, in…
Down syndromeMongolismKaryotypeGenetic ScreeningGenetic ConceptsHormone releasing intrauterine devices or hormonal IUDs are contraceptive devices placed in a woman’s uterus to prevent pregnancy by continuously…
TechnologyIntrauterine contraceptivesLevonorgestrel intrauterine contraceptivesCopper intrauterine contraceptivesProducts liability--Contraceptive drug implantsTheodora Colborn studied how chemicals affect organisms as they develop and reproduce during the twentieth and twenty first centuries in the US. By…
endocrine disruptorsEndocrine disrupting chemicalsPollutantsEndocrine toxicologyEndocrine SystemJan Evangelista Purkyne, also called Johannes or Johann Evangelist Purkinje, studied cells in the cerebellum, fibers of the heart, subjective visual…
Purkinje CellsPurkinje FibersOocytesAugust Friedrich Leopold Weismann studied how the traits of organisms developed and evolved in a variety of organisms, mostly insects and aquatic…
Germ CellsHeredityIrving Lerner Weissman is a researcher and professor in developmental biology at the Stanford University School of Medicine in Stanford, California.…
Stem Cell ResearchHematologic NeoplasmsImmunologic TechniquesStem CellsImmunologyJane Eliot Sewell presented “Cesarean Section--A Brief History” in 1993 as a brochure in the National Library of Medicine’s exhibit on the history of…
Cesarean SectionAbdominal DeliveryMidwivesRicketsAnesthesiaPearl Luella Kendrick researched prevention for pertussis, commonly known as whooping cough, in Grand Rapids, Michigan, during the mid-1900s.…
Tuberculosis VaccinesPertussis vaccinesAmerican Public Health AssociationPublicationsViral vaccinesJoseph Needham was an embryologist and biochemist who is most noted in science for his studies on induction in developing embryos. Needham worked…
PeopleEmbryonic InductionBiography