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Walther Flemming (21 April 1843 – 4 August 1905) was a German biologist and a founder of cytogenetics. He was born in Sachsenberg (now part of Schwerin ) as the fifth child and only son of the psychiatrist Carl Friedrich Flemming (1799–1880) and his second wife, Auguste Winter.
Walther Flemming (1843–1905), German scientist; Walter Lynwood Fleming (1874–1932), American historian SS Walter L. Fleming, a Liberty ship; Walter M. Fleming (1839–1913), American physician and surgeon
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Science of genes, heredity, and variation in living organisms This article is about the general scientific term. For the scientific journal, see Genetics (journal). For a more accessible and less technical introduction to this topic, see Introduction to genetics. For the Meghan Trainor ...
Van Beneden elucidated, together with Walther Flemming and Eduard Strasburger, the essential facts of mitosis, where, in contrast to meiosis, there is a qualitative and quantitative equality of chromosome distribution to daughter cells.
Walther Flemming, the founder of cytogenetics, named mitosis, and pronounced "omnis nucleus e nucleo" (which means the same as Strasburger's dictum). The discovery of mitosis, meiosis and chromosomes is regarded as one of the 100 most important scientific discoveries of all times, [ 9 ] and one of the 10 most important discoveries in cell biology .
The centrosome was discovered jointly by Walther Flemming in 1875 [12] [13] and Edouard Van Beneden in 1876, [14] [13] and later described and named in 1888 by ...
It was long assumed that the midbody was simply a structural part of cytokinesis, and was totally degraded with the completion of mitosis. However, it is now understood that post-abscission, the midbody is converted into an endosome-like signalling molecule, and can be internalised by nearby cells.
In 1885, researcher Walther Flemming described dying cells in degenerating mammalian ovarian follicles.The cells showed variable stages of pyknotic chromatin. These stages included chromatin condensation, which Flemming described as "half-moon" shaped and appearing as "chromatin balls," or structures resembling large, smooth, and round electron-dense chromatin masses.