Microbiology

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Jansen created the microscope. Although Robert Hooke is
the one who made it widely known. In 1665 Hooke published a book called
Micrographie. It contained his thoughts on chemistry as well as a
description and list of uses for a microscope. With this he opened the
door to microbiology.
For the first time the world was able to see very small creatures
and objects. From the use of a microscope he was able to make drawings of
the structure of a feather, the eye of a fly, the stinger of a bee, and the
plant-like form of mold. And from his observations of a slice of cork, he
discovered that everything is made up of cells. With Hooke leading the way,
many other discoveries were soon made.
Jan Swammerdam noted that there were tiny bodies in samples of
blood. Those tiny bodies are what we now call red blood cells.
Marcello Malpighi described and explained the tiny capillaries of
the animal cardiovascular system.
Antoni van Leeuwenhoek was a Dutch maker of microscopes. ...

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today as paramecium.
Bacteria
Bacteria are extremely small relatively simple prokaryotic
microorganisms traditionally classified with the fungi as schizomcetes.
Bacteria lack internal cell membrane. They are the most common and ancient
organisms on Earth. The Greek root of bacteria is bakterion meaning ‘small
stick’. The singular form of bacteria is bacterium.
Bacteria usually come in three basic shapes; round, stick, or
spiral form. The round or spherical bacteria are called cocci. The spiral
or corkscrew shaped bacteria are called spirochetes. The stick or rod
shaped are called bacilli. The occasional thread like bacteria are called
filamentous.
Most bacteria are less than ...

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