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Parts of the Microscope
microscope parts and definitions
12
Biology
9th Grade
09/09/2009

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Term
Arm
Definition
Supports the body tube and stage
Term
Stage
Definition
Where the microscope slide is placed for viewing
Term
Fine Adjustment
Definition
elevates or lowers the stage in small increments
Term
Coarse Adjustment
Definition
elevates or lowers the stage in large increments (use only with the low power objective)
Term
Light Intensity Control
Definition
Regulates light intensity for viewing the specimen
Term
Base
Definition
Provides a firm and steady support
Term
Eyepiece
Definition
Usually contains an optical part to magnify 10x
Term
Revolving Nosepiece
Definition
Resolves so that the high, low, and scanning power objectives may be switched
Term
Low Power Objective
Definition
Optical lens used to magnify an object 10x (adjust with the coarse adjustment knob). Once in focus, you would be read to resolve the nosepiece to the high power objective.
Term
High Power Objective
Definition
Optical lens used to magnify an object 40x (adjust only with fine adjustment knob)
Term
Diaphragm
Definition
Regulates the stage opening through which light enters the stage
Term
Mechanical Stage Controls
Definition
Moves the slide to different viewing positions
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