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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," by Rita…
Nerve Growth FactorExperimentsMiceChicksIn 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 carinatusMassospondylusFortunio Liceti studied natural philosophy and medicine in Italy during the first half of the seventeenth century. Liceti wrote greater than seventy…
TeratologyAbnormalities, HumanAnimals--AbnormalitiesEmbryologyPathologyJohn Langdon Down studied medicine in England in the nineteenth century and was one of the first people to develop a complete description of the…
Down syndromeDevelopmental DisabilitiesPartial Trisomy 21 Down SyndromeTrisomyPartial TrisomyAdib Jatene in Brazil was the first surgeon to successfully perform the arterial switch operation in 1975. The operation corrected a heart condition…
Heart--SurgeryTransposition of Great VesselsCongenital Heart DiseaseAorta--AbnormalitiesPulmonary artery--AbnormalitiesIn 1944, Oswald Avery, Colin MacLeod, and Maclyn McCarty published an article in which they concluded that genes, or molecules that dictate how…
LiteratureTransformation, BacterialBacterial TransformationStreptococcus pneumoniaeBacterial geneticsIn 2001, Yale University Press published Frederic Lawrence Holmes' book, Meselson, Stahl, and the Replication of DNA: A History of "The Most…
LiteratureWatson, James D., 1928-Crick, Francis, 1916-2004Marine Biological Laboratory (Woods Hole, Mass.)DNA ReplicationEmil Kraepelin was a physician who studied people with mental illness in the late nineteenth and early twentieth centuries in modern-day Germany.…
Comparative psychiatryMental illnessMental DisordersDual diagnosisMental illness--Bibliography