Search results
Theodor Schwann (German pronunciation: [ˈteːodoːɐ̯ ˈʃvan]; [1] [2] 7 December 1810 – 11 January 1882) was a German physician and physiologist. [3] His most significant contribution to biology is considered to be the extension of cell theory to animals.
Teoria komórkowa (ang. cell theory) – sformułowana w latach 1838–1839 teoria naukowa mówiąca, że wszystkie żywe organizmy są zbudowane z osobnych komórek. Jej autorem byli Theodor Schwann i Matthias Jacob Schleiden. Matthias Jacob Schleiden w 1838 roku ustalił, że rośliny są zbudowane z komórek.
2 cze 2021 · In the book, Schwann precisely described the myelinated nerve fiber. His research led to the discovery of the cell that produces the myelin sheath that envelops the axon. In honor of his contribution, this was later eponymously named the Schwann cell [3, 7, 9].
The first cell theory is credited to the work of Theodor Schwann and Matthias Jakob Schleiden in the 1830s. In this theory the internal contents of cells were called protoplasm and described as a jelly-like substance, sometimes called living jelly.
13 wrz 2024 · Cell theory, fundamental scientific theory of biology according to which cells are held to be the basic units of all living tissues. First proposed by German scientists Theodor Schwann and Matthias Jakob Schleiden in 1838, the theory that all plants and animals are made up of cells marked a great.
18 maj 2018 · Theodor Schwann (1810-1882) was a German biologist who proposed the cell theory in 1839, based on his microscopic studies of animal and plant tissues. He also discovered pepsin, disproved spontaneous generation, and coined the term "metabolism".
Protoplasmic constituents. After Schleiden and Swann's formulation of cell theory, the basic constituents of the cell were considered to be a wall or a simple membrane, a viscous substance...
