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| Summary: |
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| 1. somites establish body segmentation. |
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| 2. somite has 3 separate compartments. |
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| 3. differential A/P properties of the
somite |
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| result in
segmentation of vertebral column |
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| and peripheral
nervous system. |
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| 4. overlapping patterns of HOX gene |
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| expression
result in somites with individual |
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| characteristics. |
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| 5. positional information is present in |
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| somites prior to
epithelial-mesenchymal |
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| transformation |
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