Events
MARCELO MALPIGHI
- Develops microscopi
- Drawings (observation of tissues)ANTON VAN LEEUWENHOEK
- He manufactured microscopies
- He observed microorganismsROBERT HOOKE
- He studied a sheet of cork with a simple microscope
- He called the compartments on the sheet "cells"
(from the Latin word for small room)ROBERT BROWN
- He defines the nucleus
only in plant cellsMATTHIAS SCHLEIDEN
- He discovered that the cell
is the unit of structure in plants
(CELL THEORY)THEODOR SCHWANN
- He discovered that the cell
is also the unit of structure
in animals
(CELL THEORY)RUDOLF VIRCHOW
- He studied the physiology
of cells and concluded that
every cell carried out the
three vital functions
(CELL THEORY)SANTIAGO RAMÓN Y CAJAL
- He studied nervous tissue
and applied the cell theory to it
- He studied tissue samples
obtained from embryos and
infants using a revolutionary
method of staining with silver salts
- He discovered that this tissue is
made up os cells (neurons)
- He won the Nobel PrizeMiCROSCOPES ARE PERFECTED
- OPTICAL MICRSCOPES
Scientists can explore cells in more
detail so the images are clearer
and more magnifiedMICROSCOPES ARE PERFECTED
- ELECTRONIC MICROSCOPES
It can magnify images up to
one million times their actual size
Scientists can observe tiny details
inside cells and organelles
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