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Topic 2-Microscopes and Cells
N.A
13
Science
8th Grade
09/11/2009

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Term
Microscopes
Definition
An optical instrument consisting of a lenses made to view things that the naked eye cannot see.
Term

Eyepiece

(ocular lense)

Definition
The lense of a microscope.
Term
Tube
Definition
A cylender structure used to support the eyepiece.
Term
Coarse-adjustment knob
Definition
the part of a microscope used when focusing on a specimen. Only used on the lowest objective lens
Term
arm
Definition
This attaches to the eyepiece and the body tube.
Term
Revolving nosepiece
Definition
The rotating device that holds the lenses.
Term
Objective lenses
Definition
a lens with magnifying power.
Term
Stage
Definition
The platform on wich a slide is placed.
Term
condenser lens
Definition
Focuses light on the specimen
Term
Diaphragm
Definition
The rotating disk under the stage that controls the light
Term
Light source
Definition
Term
Field of view
Definition
 the area in the eyepiece of an optical instrument in which the image is visible
Term
Wet Mount
Definition
Many objects that are going to be viewed on a compound light microscope slide are prepared as a wet mount
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