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Robert Hooke published Micrographia
It is the first important work devoted to microscopical observation, and showed what the microscope could do for naturalists -
Period: to
Rudolf Virchow
He did an aphorism called "omnis cellula e cellula" (every cell prom a pre-existing cell) and it became the basis of the theory of tissue formation. -
Achromatic microscopes were introduced
They allowed a more precise histological observations. -
The term nucleus was introduced
Robert Brown, a Scottish botanist, introduced he term nucleus, and became the first to recognize the nucleus. He saw it as an essential constituent of living cells. -
Period: to
Santiago Ramon y Cajal became the main supporter of the neuron theory
He also was the indefatigable champion of the neuron theory. -
Oilimmersion lens was introduced
The new development of the microtome technique and the use of new fixing methods and dyes greatly helped improve microscopy. -
Joseph Gerlach expands nerve cell theory
A German histologist, Joseph Gerlach, had expanded on Kolliker's view and proposed an idea. His idea was that in all of the central nervous systems, nerve cells have established anastomoses with one another through a network that was formed by the minute branching of their dendrites. -
'Black Reaction' developed
The most important breakthrough in neurocytology and neuroanatomy history. A man named Camillo Golgi had developed the 'black reaction', which was introduced to a friend of his. -
Willhelm introduced his idea on nerve-cells
The Swiss embryologist named Willhelm His had put his idea out that the nerve-cell body and its prolongations can form from an independent unit. -
The term neurons was introduced
Waldeyer introduced the term neurons to indicate independent nerve cells.