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Oliver Allison Ryder studied chromosomal evolution and endangered species in efforts for wildlife conservation and preservation at the San Diego Zoo…
San Diego ZooEscherichia coliPrzewalski's horseQuaggaBenirschke, KurtLaparoscopic tubal sterilization is a set of surgical techniques that use laparoscopy to render people with female reproductive systems sterile, or…
Female SterilizationReproductive SterilizationSterilization, ReproductiveReproductive System, FemaleLaparoscopyPierre Franco was a surgeon in Europe in the sixteenth century who developed a variety of surgical procedures, including some to repair hernias,…
Cleft PalateDevelopmental DisordersCleft LipHerniaCataractIn 1998, researchers Laura Mazzanti and Emanuele Cacciari published “Congenital Heart Disease in Patients with Turner’s Syndrome,” hereafter “…
Turner SyndromeTurner’s syndromeHeart Defects Congenital Heart DefectsGenetic DiseasesHideyo Noguchi researched bacteria, including Treponema pallidum, the bacterium that causes syphilis, in Japan and the US during the early 1900s.…
SyphilisNeurosyphilisCentral Nervous System SyphilisTreponema pallidumYellow FeverThe book Infant Mortality: Results of a Field Study in Johnstown, PA., Based on Births in One Calendar Year (1915), written by Emma Duke, detailed…
Infants--MortalitySocial WelfareMilkpublic healthRural HealthA vasectomy is a surgery that works to inhibit reproduction by interrupting the passage of sperm through the vas deferens, a tube in the male…
VasectomyVasovasostomyVasectomy ReversalEugenicsSterilization, ReproductiveIn the legal case In re Agent Orange Product Liability Litigation of the early 1980s, US military veterans of the Vietnam War sued the US chemical…
LawProducts liability--Agent OrangeAgent OrangeVeteransAgent Orange--ToxicologyTeratogens are substances that may produce physical or functional defects in the human embryo or fetus after the pregnant woman is exposed to the…
Abnormalities, HumanFetusPregnancyTeratogenicity testingEmbryosMetoidioplasty is a type of gender-affirming surgery that creates a small-sized neophallus, or new penis, from an enlarged clitoris. Gender-…
Gender DysphoriaGender-Affirming CareGender-Affirming SurgeryPhalloplastyClitoris