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Fetal surgeries are a range of medical interventions performed in utero on the developing fetus of a pregnant woman to treat a number of congenital…
Fetus--SurgeryFetoscopyUltrasonics in obstetricsPregnancyEndoscopyIn 1931 embryologist and historian Joseph Needham published a well-received three-volume treatise titled Chemical Embryology. The first four chapters…
LiteratureNeedham, Joseph, 1900-1995PublicationshistoryThe Multi-Dimensional Human Embryo website (http://embryo.soad.umich.edu/) is a publicly accessible online database of the first three-dimensional…
OrganizationOrganizationsHuman DevelopmentMagnetic Resonance Microscopy (MRM) is an imaging method that allows the visualization of internal body structures. Using powerful magnets to send…
TechnologyMagnetic resonance microscopyMagnetic resonance imagingMicroscopyStanley Cohen published "Purification of a Nerve-Growth Promoting Protein from the Mouse Salivary Gland and its Neuro-Cytoxic Antiserum" in the…
Cohen, Stanley, 1937-Nerve Growth FactorExperimentsMiceMy Father, My Son is a dual autobiography by father and son Elmo Russell Zumwalt Jr. and Elmo Russell Zumwalt III published by Macmillan Publishing…
LiteratureAgent OrangeHerbicidesSpina BifidaOperation Ranch Hand, 1962-1971The copper intrauterine device, or IUD, is a long-term, reversible contraceptive first introduced by Howard Tatum and Jamie Zipper in 1967. Health…
ContraceptivesCopper intrauterine contraceptivesDalkon Shield (Intrauterine contraceptive)Levonorgestrel intrauterine contraceptivesNorgestrelIn 1954 Max Delbruck published On the Replication of Desoxyribonucleic Acid (DNA) to question the semi-conservative DNA replication mechanism…
LiteratureHolmes, Frederic LawrenceMeselson, MatthewStahl, Franklin W.Watson, James D., 1928-Jacques Loeb showed that scientists could achieve artificial parthenogenesis with some types of annelid worm eggs through a series of experiments in…
ParthenogenesisExperimentsWormsJohn Spangler Nicholas, an American biologist, was born on 10 March 1895 in Allegheny, Pennsylvania. He was the only child of Elizabeth Ellen…
PeopleBiographyMammalsAmphibians