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  1. Oscar Hertwig (Friedberg, Hessen, 21 de abril de 1849 – Berlim, 25 de outubro de 1922) foi um zoólogo alemão, que também escreveu sobre a teoria da evolução por volta de 1916, mais de 55 anos depois do livro de Charles Darwin A Origem das Espécies.

  2. Oscar Hertwig (21 April 1849 in Friedberg – 25 October 1922 in Berlin) was a German embryologist and zoologist known for his research in developmental biology and evolution. Hertwig is credited as the first man to observe sexual reproduction by looking at the cells of sea urchins under the microscope.

  3. 10 de ago. de 2019 · Sendo um cientista jovem e muito promissor, recém formado em medicina e concluído sua tese de doutorado, o alemão Oscar Hertwig decidiu mudar totalmente o ponto de vista de sua pesquisa. Foi assim que ele se tornou o primeiro homem a ver verdadeiramente uma reprodução sexual, completa e detalhada.

  4. 17 de abr. de 2019 · This is how he became the first man to actually observe sexual reproduction, completely and in all its glorious detail. He did so by looking at the cells of sea urchins under the microscope, a discovery that paved the way for techniques of fertilisation and assisted reproduction.

  5. Oskar Hertwig (born April 21, 1849, Friedberg, Hessen—died October 25, 1922, Berlin) was a German embryologist and cytologist who was the first to recognize that the fusion of the nuclei of the sperm and ovum was the essential event in fertilization.

    • The Editors of Encyclopaedia Britannica
  6. 1 de nov. de 2007 · Wilhelm August Oscar Hertwig contributed to embryology through his studies of cells in development and his discovery that only one spermatozoon is necessary to fertilize an egg. He was born 21 April 1849 to Elise Trapp and Carl Hertwig in Hessen, Germany.

  7. ONE of the founders of the science of heredity and one of Germany's most brilliant embryologists and comparative anatomists, Wilhelm August Oscar Hertwig was born a century ago, on April 21,...