-described single-celled organisms "animalcules" (protozoa)
-confirmed Leewenhock's theory of "animalcules
- replicated Leewenhock's compound microscope
distorts edges of images
distorts color (rainbow)
the ability of a microscope to distinguish between things that are close together
enlargement of specimens
microtome & stain
-tissue razored into thin sheets
-lets light pass through
-lets us see clearer and in more detail
Disease Theory (Koch)
-bacteria=agents of disease
-vector (organism that transmits pathogens) and disease
-used for eye surgery
-smaller field of view
-organism must be dead
4 types: vacuum, gold, transmission, and scanning
vacuum electron microscope
air pumped out
gold electron microscope
specimen must be mounted on a grid of gold
(gold prevents build up of electric charge)
scanning electron microscope
looks at surfaces
HOPE FOR THE BEST!!
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