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Microscope
the basic parts of a microscope
13
Biology
Undergraduate 1
02/28/2011

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Cards

Term
Ocular
Definition

the lens at the top you look through

measures 10x on microscopes in class

Term
Eyepiece Tube
Definition
connects the ocular to the objective lenses
Term
Arm
Definition
supports the eyepiece tube and connects it to the base
Term
Objectives
Definition

the lens that first receives light from the object and forms the image

measure 4x, 10x, 40x, and 100x in class

Term
Condenser
Definition
its purpose is to focus light onto the specimen
Term
Iris Diaphragm
Definition
used to vary the intensity and size of the cone of light that is projected upward into the slide
Term
Revolving Nosepiece
Definition
holds all the objectives and can be rotated to provide a different power
Term
Stage
Definition
the flat platform where you place your slides
Term
Fine Adjustment Knob
Definition
the smaller knob which allows for smaller increments of adjustment
Term
Coarse Adjustment Knob
Definition
the larger knob which allows for larger increments of adjustment
Term
Specimen Holder
Definition
the clip(s) on the stage which keeps the slide in place
Term
Base
Definition
the bottom of the microscope, used for support
Term
[image]
Definition

1. eyepiece tube

2. revolving nosepiece

3. objective (4x, 10x, 40x)

4. specimen holder

5. condenser/iris diaphragm (little arm)

6. light source

7. ocular

8. arm

9. objective (4x, 10x, 40x)

10. stage

11. coarse adjustment

12. fine adjustment

13. base

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