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Oscar Hertwig's really great, indeed epoch-making, contributions to the development of biological science are to be found, however, not in his text-books ...
Oscar Hertwig (21. dubna 1849, Friedberg – 25. října 1922, Berlín) byl německý zoolog a profesor, který se zabýval teorií evoluce, a v tomto směru napsal také řadu publikací, z nich nejvýznamnější publikoval asi v letech 1916, více než 55 let poté, co známý evoluční biolog Charles Darwin publikoval svou knihu o Původu Druhů.
Oscar Hertwig (ôs´kär hĕrt´vĬkh), 1849–1922, German embryologist. He studied medicine with Haeckel and Gegenbaur. In 1875 he established the fact that fertilization consists of the union of the nuclei of a male and a female sex cell. He studied the germ-layer theory (introducing the term coelom) and malformations of vertebrate embryos ...
Oscar Hertwig ( 1849 - 1922) va ser un zoòleg alemany. També va escriure sobre la teoria de l'evolució cap a 1916. Era germà del professor de zoologia Richard Hertwig (1850–1937). Els germans Hertwig eren els més eminents estudiosos de Ernst Haeckel (i Carl Gegenbaur) de la Universitat de Jena. Inicialment, entre 1879–1883, els dos ...
14 ago 2013 · Finally, it was in 1876 that Oscar Hertwig made the seminal discovery of fertilization in sea urchins 142. He observed that the nuclei of sperm and egg fused during fertilization 142, ...
1 mar 2018 · In 1893, Oscar Hertwig (1849–1922) (Fig. 6), 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, confirmed the cell theory in these terms: “Animals and plants, so diverse in their external appearance, agree in the fundamental nature of their anatomical construction; for both are ...
