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29 Cards in this Set

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1590, Dutchmen who put 2 magnifying lenses in a tube
Zacharias Janssen
Lets light pass thru an object and then thru 2 or more lenses
Compound Light Microscope
What part of Microscope do you look thru (usually 10X)
Eyepiece
What 2 lens make up a compound microscope
eyepiece lens & Objective lens
What is the high power on our microscopes?
43X objective 10X eyepiece 430 total
If a Microscope has a 10X eyepiece and a 43X objective lens, what is the total power?
430X
Gives a 3D view, has an objective and ocular for each eye, use to loook at thick structures.
Stereo Microscope
Uses a magnetic field instead of lenses to bend elctrons, magnifies up to 1,000,000 times
Electron Microscope
Type of microscope where objects viewed are sliced very thin, only dead cells and tissues can be observed this way.
Transmission
Electron
Microscope
(T.E.M.)
Microscope used to view surface of abjects, can be used on living cells.
Scanning
Electron
Microscope
(S.E.M.)
1665, who looked at cork, thought the little blocks under his microscope looked like cells, first use of word cell
Hooke
1838, German scientist who concluded all animals made up of cells.
Schleiden
1839, German scientist. concluded that all animals are made up of cells
Schwann
1853, German doctor hypothesized that new cells from from other cells dividing
Virchow
Cell Theory
All organisms made up of cells
Cells= basic structure & function in all orgs.
All cells come from cells that already exist.
Part of microscope that holds slide
stage clips or clips
part of microscope that adjust s light passing thru slide/object
Diaphragm
2 parts of preared slide
cover slip & slide
Used to carry microscope
Arm
Bottom of Microscope
Base
Place where slides clip to microscope for viewing
Stage
Part of microscope directly below eyepiece
Tube
Contains objective lenses, usually revolves
Nose, nose piece
Moves quickly, adjusting distance between stage and objective lenses.
Coarse focus
Moves slowly, adjusting distance between stage and objectives.
Fine Focus
Provides light for microscope
Light Source
4X 10X
10X 43X
43X
Objective lens power of our school's microscopes
total power high of our microscopes
430X
total power low of our microscopes
40X or 100X