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Definition
| used routinely in a laboratory |
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Definition
| stained microorganisms are observed |
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Definition
| organisms appear dark against a bright background |
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Definition
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Definition
| organisms appear bright against dark background |
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Definition
| an opaque stop inserted below the condenser, or stop is built into the condenser |
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Definition
| only peripheral rays of light enter the condenser; the rays pass through the specimen at an angle, not directly |
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Definition
in the disease syphilis we look for the organisms called treponemas
This is just a fast screening device to detect if the organisms are present or absent |
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Term
Phase Microscope
used for accurate observances of |
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Definition
1. bacteria
2. parasites in clinical material
3. inclusion bodies in virus infected material
4. histological preparations
It works on the principle of refractive index |
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Definition
Examples
Objects such as bacteria and inclusion bodies are of different index from surrounding tissue. They will show up easy whereas normal tissue would a have to be stained to be seen. |
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