Transcript Discovering the Cell

Discovering
the Cell
Robert
Hooke
Author of
“Micrographia.” First
coined the word “cell”
to describe what he
saw in a thin slice of
cork.
Anton van
Leeuwenhoek
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
Invented 1938 by
Ernst Ruska. Allowed
scientists to look into
the cell in much
greater detail.
Ruska’s Microscope
TEM: Cell Membrane
SEM: Cell Membrane
Fluid Mosaic Model