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The principal work of St. Thomas Aquinas, the Summa Theologica is divided into three parts and is designed to instruct both beginners and experts in…
LiteratureThomas, Aquinas, Saint, 1225?-1274religionCatholicismHuman DevelopmentWilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is…
PeopleFertilizationBiographySpermOvaSt. Augustine of Hippo, born Aurelius Augustinus to a respectable family in the year 354 CE, is now considered one of the foremost theologians in the…
PeoplereligionBiographyCatholicismFetusKarl Wilhelm Theodor Richard von Hertwig is an important figure in the history of embryology for his contributions of artificial hybridization of sea…
PeopleZoologyBiographyHybridizationSea UrchinsMizuko Kuyo is a Japanese Buddhist ceremony that focuses on a deceased fetus or stillborn child. This ceremony was originally developed to honor Jizo…
Fetal propitiatory rites--BuddhismAbortionFetusStillbirthBuddhismQuickening, the point at which a pregnant woman can first feel the movements of the growing embryo or fetus, has long been considered a pivotal…
Human DevelopmentethicsReproductionFetusAbortion