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  1. Isidore Geoffroy Saint-Hilaire was a French zoologist noted for his work on anatomical abnormalities in humans and lower animals. In 1824 Geoffroy joined his father at the National Museum of Natural History as an assistant naturalist, and, after taking his M.D. in 1829, he taught zoology from 1830.

    • The Editors of Encyclopaedia Britannica
  2. Biography. He was born in Paris, the son of Étienne Geoffroy Saint-Hilaire. In his earlier years he showed an aptitude for mathematics, but eventually he devoted himself to the study of natural history and of medicine, and in 1824 he was appointed assistant naturalist to his father.

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  4. Feb 11, 2017 · Isidore Geoffroy Saint-Hilaire studied anatomy and congenital abnormalities in humans and other animals in nineteenth century France. Under the tutelage of his father, Etienne Geoffroy Saint-Hilaire, Isidore compiled and built on his father's studies of individuals with developmental malformations, then called monstrosities.

  5. May 11, 2018 · Isidore Geoffroy Saint-Hilaire awaits a biographer. But Goulven Laurent (1987) and Michael A. Osborne (1994) have addressed his tranformist theories, anthropology, animal domestication studies, teratological investigations (studying serious deviations from the normal type), and influence.

  6. Isidore Geoffroy Saint-Hilaire studied anatomy and congenital abnormalities in humans and other animals in nineteenth century France. Under the tutelage of his father, Etienne Geoffroy Saint-Hilaire, Isidore compiled and built on his father's studies of individuals with developmental malformations, then called monstrosities.

  7. The discoveries of developmental biology and the emergence of "evo-devo" - a speciality that interprets the genetic control of embryonic development in the light of evolution - shed new light on Saint-Hilaire's work, which influenced embryology, evolutionary biology and palaeontology.

  8. GEOFFROY SAINT - HILAIRE, Isidore (1805-186r), French zoologist, son of the preceding, was born at Paris on the 16th of December 1805. In his earlier years he showed an aptitude for mathematics, but eventually he devoted himself to the study of natural history and of medicine, and in 1824 he was appointed assistant naturalist to his father.

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