discovering the cell. robert hooke author of “micrographia.” first coined the word “cell” to...
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Discovering the Cell
Discovering the Cell
Robert HookeRobert Hooke
Author of “Micrographia.” First
coined the word “cell” to describe what he saw in
a thin slice of cork.
Author of “Micrographia.” First
coined the word “cell” to describe what he saw in
a thin slice of cork.
Anton van Leeuwenhoek
Anton van Leeuwenhoek
Leeuwenhoek’s Microcscope
Leeuwenhoek’s Microcscope
Cell discoveries in the 19th century
• Discovery of the nucleus: 1833 (Robert Brown)
• Description of cell division: 1879 (Walter Fleming)
The Electron Microscope
The Electron Microscope
Invented 1938 by Ernst Ruska. Allowed scientists
to look into the cell in much greater detail.
Invented 1938 by Ernst Ruska. Allowed scientists
to look into the cell in much greater detail.
Ruska’s MicroscopeRuska’s Microscope
TEM: Cell MembraneTEM: Cell Membrane
SEM: Cell MembraneSEM: Cell Membrane
Fluid Mosaic ModelFluid Mosaic Model