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Between February 1969 and August 1970 Edward Kollar and Grace Baird, from the University of Chicago in Chicago, Illinois, published three papers that…
teethEmbryosCell differentiationMesenchymeEpitheliumThe Spemann-Mangold organizer, also known as the Spemann organizer, is a cluster of cells in the developing embryo of an amphibian that induces…
EmbryosAmphibiansSpemann, Hans, 1869-1941EmbryologyGastrulationResearch in chemical induction seeks to identify the compound or compounds responsible for differentiation in a developing embryo. Soren Lovtrup…
Cell differentiationEmbryosDevelopmental BiologyNotochordWaddington, C. H. (Conrad Hal), 1905-1975