LESSON 2 History of Microscopy History of Microscopy

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LESSON 2 History of Microscopy

LESSON 2 History of Microscopy

History of Microscopy 400 years ago

History of Microscopy 400 years ago

Zacharias & Hans Janssen � first compound microscopes 1590?

Zacharias & Hans Janssen � first compound microscopes 1590?

Galileo Galilei & Giovanni Faber 1624 -1625 � fellow Lincean academy member Giovanni Faber

Galileo Galilei & Giovanni Faber 1624 -1625 � fellow Lincean academy member Giovanni Faber coined the word for Galileo's invention occhiolino, �μικρόν (micron) the"little eye". + σκοπεῖν (skopein) "small" + "to look at"

Robert Hooke 1655 ~1665 � most famous microscopical observation was his study of thin

Robert Hooke 1655 ~1665 � most famous microscopical observation was his study of thin slices of cork. Named the term ©“Cell” J. Paul Robinson

thin slices of cork.

thin slices of cork.

Anton von Leeuwenhoek Father of microscopy • “simple” microscope • • Single lens microscope

Anton von Leeuwenhoek Father of microscopy • “simple” microscope • • Single lens microscope • could magnify to about 275 x �single-celled animals ("animalcules") �interior of cells 1673 ~1674

compound microscopes vs. single lens microscopes ? Aberration (technical flaws) in the lenses

compound microscopes vs. single lens microscopes ? Aberration (technical flaws) in the lenses

Optical aberration 1. SPHERICAL ABERRATION ﺯﻳﻎ ﻛﺮﻭﻱ

Optical aberration 1. SPHERICAL ABERRATION ﺯﻳﻎ ﻛﺮﻭﻱ

Optical aberration ﺯﻳﻎ ﻟﻮﻧﻲ 2. CHROMATIC ABERRATION

Optical aberration ﺯﻳﻎ ﻟﻮﻧﻲ 2. CHROMATIC ABERRATION

History of Microscopy Schleiden & Schwann 1. All living things are made up of

History of Microscopy Schleiden & Schwann 1. All living things are made up of cells. 2. Cells are the smallest units of living things 3. Cells only rise from existing cells.

History of Microscopy Koch

History of Microscopy Koch

REFERENCES �History of Microscopy 1. http: //www. ncbi. nlm. nih. gov/books/NBK 28356/ Table 4

REFERENCES �History of Microscopy 1. http: //www. ncbi. nlm. nih. gov/books/NBK 28356/ Table 4 -1 2. http: //campus. udayton. edu/~hume/Microscope/ microscope. htm 3. http: //www. microscope. org/basic/microscope-history. htm

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