| 21. | HPV infects epithelial cells in the anogenital tract and oral cavity.
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| 22. | Samples of epithelial cells can be collected onto microscope slides for further analysis.
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| 23. | Trichocytes are the specialized epithelial cells from which hair and nail are composed.
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| 24. | Drugs are metabolized by drug-specific metabolizing enzymes in the epithelial cells.
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| 25. | These are components of tight junctions of the epithelial cell membrane.
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| 26. | :: All vertebrates have a BBB that consists of epithelial cells.
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| 27. | The complex is also essential for the biogenesis of epithelial cell surface polarity.
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| 28. | Fibroblasts also secrete growth factors that attract epithelial cells to the wound site.
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| 29. | Vertebrate epithelial cells which have high concentrations of the protein crystallin.
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| 30. | This gene may play a role in embryonic development and epithelial cell differentiation.
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