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Basic organic unit of all living beings
- The < >, elaborated during the 19th century by researchers such as Lorenz Oken, Matthias Schleiden, Theodor Schwann and Rudolf Virchow, greatly modified the conception of life that Man had had up to then, since it asserted that the cell is the basic organic unit of all living beings and that every living being stems from a cell.
pubmed.ncbi.nlm.nih.gov › 16193635
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Lorenz Oken (1 August 1779 – 11 August 1851) was a German naturalist, botanist, biologist, and ornithologist.
Apr 19, 2024 · Oken, Lorenz was a German naturalist, the most important of the early 19th-century German “nature philosophers,” who speculated about the significance of life, which they believed to be derived from a vital force that could not be understood totally through scientific means. He elaborated Wolfgang.
- The Editors of Encyclopaedia Britannica
May 29, 2018 · Oken did hundreds of experiments with chick embryos to gather information on cell theory with Karl Ernst von Baer (1792–l876), comparative embryologist and proponent of epigenetic thinking. Oken pronounced the seminal insight: “ontogeny recapitulates phylogeny.”
A prolific writer, Oken's books were printed and reprinted until the principles of cell theory, established by Theodor Schwann (1801-1882), superceded his work. The strong opinions of romanticism were eventually overridden by the emergence of experimental natural science.
The CELL THEORY, or cell doctrine, states that all organisms are composed of similar units of organization, called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology.
Jul 8, 2020 · He pioneered the modern concept of diagnostic pathology and created the modern scientific paradigm by its application of cell theory to explain the effects of disease. Besides his contributions as a pathologist, he became an influential statesman of the liberal party in Germany.
His prolific speculations, however, foreshadowed cell theory, as in the idea that all tissues were composed of a "fundamental polyp," or "infusorian." He described the force of attraction between the Sun and Earth, as well as light, as tension in ether.
