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Reduction of Maternal-Infant Transmission of Human Immunodeficiency Virus with Zidovudine Treatment
By: Chase V. Florez
| Published: Nov 30, 2019
In 1994, Edward M. Connor and colleagues published “Reduction of Maternal-Infant Transmission of Human Immunodeficiency Virus Type 1 with Zidovudine…
LiteratureHIV-positive personsHIV infectionsHIV-positive womenHIV-positive children
Susceptibility Assay
By: Mary E. Sunderland
| Published: Jun 10, 2009
Charles Manning Child designed an experimental test, the susceptibility assay, to measure the effects of different toxins on developmental processes…
TechnologyChild, Charles Manning, 1869-1954Ovadifferentiation
Arthur William Galston (1920–2008)
By: Cecilia Chou
| Published: Apr 27, 2017
Arthur W. Galston studied plant hormones in the United States during the late-twentieth century. His dissertation on the flowering process of soybean…
Agent OrangeSoybeanTetrachlorodibenzodioxinHerbicidesDefoliants
Carl Gottfried Hartman (1879-1968)
By: Giavonna A. Goodman
| Published: Nov 01, 2011
Carl Gottfried Hartman researched the reproductive physiology of opossums and rhesus monkeys. He was the first to extensively study the embryology…
PeopleReproductionBiographyOpossumsmonkeys
Frank Rattray Lillie's Study of Freemartins (1914-1920)
By: Mary Drago
| Published: Mar 14, 2014
Frank Rattray Lillie's research on freemartins from 1914 to 1920 in the US led to the theory that hormones partly caused for sex differentiation in…
Lillie, Frank Rattray, 1870-1947Intersexuality in animalsFreemartinismHormonesExperiments
Michael D. West (1953- )
By: Lijing Jiang
| Published: Jun 23, 2010
Michael D. West is a biomedical entrepreneur and investigator whose aim has been to extend human longevity with biomedical interventions. His focus…
PeopleStem CellsBiographyRegeneration
Katharina Dorothea Dalton (1916–2004)
By: Bianca Zietal
| Published: May 24, 2017
Katharina Dorothea Dalton was a physician in England in the twentieth century who defined premenstrual syndrome (PMS) as a cluster of symptoms…
Premenstrual syndromePremenstrual TensionMenstrual CycleMenstruation
"A Diffusible Agent of Mouse Sarcoma, Producing Hyperplasia of Sympathetic Ganglia and Hyperneurotization of Viscera in the Chick Embryo" (1953), by Rita Levi-Montalcini and Viktor Hamburger
By: Adam R. Navis
| Published: Nov 09, 2007
"A Diffusible Agent of Mouse Sarcoma, Producing Hyperplasia of Sympathetic Ganglia and Hyperneurotization of Viscera in the Chick Embryo," by Rita…
Nerve Growth FactorExperimentsMiceChicks
Study of Fossilized Massospondylus Dinosaur Embryos from South Africa (1978-2012)
By: Madison Paige
| Published: Mar 31, 2015
In 1978, James Kitching discovered two dinosaur embryos in a road-cut talus at Roodraai (Red Bend) in Golden Gate Highlands National Park, South…
ContextDinosaursDinosaurs--EggsMassospondylus carinatusMassospondylus
Fortunio Liceti (1577–1657)
By: Anna Guerrero
| Published: Jun 25, 2018
Fortunio Liceti studied natural philosophy and medicine in Italy during the first half of the seventeenth century. Liceti wrote greater than seventy…
TeratologyAbnormalities, HumanAnimals--AbnormalitiesEmbryologyPathology