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Leeuwenhoek lifespan
Was able to know more about cells because of the microscope and discover more things -
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microscope invention
With the invention of the microscope in 1632-1723 poeple were able to see more and determine what molecules and cells were there -
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The first description of the cell
Robert Hooke (1635– 1702), an English physicist who was also a distinguished microscopist gave the first description of the cell -
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Discovery of frog embryo
Jan Swammerdam was the person to discover frog embryo -
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naturalist Lazzaro Spallanzani
He and other researchers showed that an organism derives from another organism -
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Robert Brown
was the first to recognize the nucleus as an essential constituent of living cells -
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Albert Kölliker
Albert Kölliker who showed that cells are formed through scission of pre-existing cells -
. The introduction of the oilimmersion lens
. The introduction of the oilimmersion lens in 1870 -
longitudinal splitting of salamander
Flemming observed the longitudinal splitting of salamander chromosomes (a term introduced only in 1888 by Wilhelm Waldeye -
Waldeyer introduced the term ‘‘neurons’
Waldeyer introduced the term ‘‘neurons’ in 1891 to indicate independent nerve cells