30 Jan 1855 Jahr - Rudolf Virchow (1855) German biologist Rudolf Virchow stated the third tenet of the cell theory, "omnis cellula e cellula" which translates to "every cell stems from another cell". He also discovered that, during times of illnesses, it is not the whole organism who is sick, but rather only a certain group of cells.
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30 Jan 1855 Jahr
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~ 170 years ago