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Found the connection between Arteries and Veins
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Robert Hooke came up with the word cell when he was looking at a cork under a microscope. He thought that all the small compartments of the cork looked like cells. He did not try to discover it any further.
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Anton van Leeuwenhoek was the first person to look at a live cell under a microscope and called the cells, animalcules, because in his opinion they looked like little animals.
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IN 1824, Henri Dutrochet came to the fact that all living things were made up of cells.
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In 1831, Robert Brown discovered the Nucleus. He had studied multiple plants and made a up a term for the slighty opaque spot that other scientists ignored.
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Feliz Dujardin discovered the protoplasm. Contradicting to other scientists he said that animal cells weren't hollow and that they contained sarcodes which was then later renamed to cytoplasm.
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In 1838, Matthias Schleiden and Theoder Schwann worked together to publish a report which stated the first two components of cell theory.
- All organisms are composed of one or more cells
- The cell is the basic unit of structure and organization in organisms
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Rudolf Virchow discovered the third component of the cell theory, all cells come from pre-existing cells.