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John Philip Trinkaus studied the processes of cell migration and gastrulation, especially in teleost fish, in the US during the twentieth century.…
PeopleGastrulationBiographyMorphogenesisThe principal work of St. Thomas Aquinas, the Summa Theologica is divided into three parts and is designed to instruct both beginners and experts in…
LiteratureThomas, Aquinas, Saint, 1225?-1274religionCatholicismHuman DevelopmentRevive and Restore is a California-based nonprofit that uses genetic engineering to help solve conservation problems, such as saving endangered…
OrganizationExtinction (Biology)MammothsMammuthusWoolly mammothThe biomedical accomplishment of human in vitro fertilization and embryo transfer (IVF-ET) took years to become the successful technique that…
ReproductionExperimentsFertilizationIn the second half of the twentieth century, scientists learned how to clone organisms in some species of mammals. Scientists have applied somatic…
CloningCell nuclei--TransplantationSpemann, Hans, 1869-1941Genetic EngineeringThe extraembryonic membranes that surround and originate from the embryos of vertebrates such as birds, reptiles, and mammals are crucial to their…
AmniocentesisReproductionFetusIn 1971, a group of researchers founded the Monash IVF Research Program with the mission to discover how in vitro fertilization, or IVF, techniques…
OrganizationFertilization in VitroFertilization in vitro, HumanFertilization in vitro, Human--Moral and ethical aspectsMicropropagationDavid Wildt's cheetah (Acinonyx jubatus) research from 1978-1983 became the foundation for the use of embryological techniques in endangered species…
Endangered SpeciesExperimentsCatsFertilityIn nineteenth century Great Britain, Thomas Henry Huxley proposed connections between the development of organisms and their evolutionary histories,…
PeopleDarwin, Charles, 1809-1882EvolutionpaleontologyEmbryologyThe HeLa cell line was the first immortal human cell line that George Otto Gey, Margaret Gey, and Mary Kucibek first isolated from Henrietta Lacks…
HeLa CellsContinuous cell linesResearch EthicsInformed consent (Medical law)Cervix uteri--Cancer