Term
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Definition
| has a wave length 100,000 times shorter than white light. thus, the resolution of an electron microscope is far superior to that acheived by a compound light microscope. |
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Term
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Definition
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Term
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Definition
- Internal structures of cells and viruses.
- Requires an extremely thin section of specimen (100m)
- No 3.D image |
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Term
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Definition
-Surface structures of cells and viruses
-Whole cells are viewed
-3D image |
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Term
| Disadvantage of EM over CLM |
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Definition
| The specimen is dehydrated, stained with heavy metal such as lead or osium,and viewed under high vaccum. This may lead to the introduction of artifacts- structures not originally present in the specimen. |
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Term
| (viruses, internal structures of cells), are smaller than 2um. |
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Definition
| must be viewed under an electron microscope. |
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Term
| (viruses, internal structures of cells), are smaller than 2um. |
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Definition
| must be viewed under an electron microscope. |
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