Which of the following is NOT listed as a fixative in the material?

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Multiple Choice

Which of the following is NOT listed as a fixative in the material?

Explanation:
Fixatives preserve tissue by stabilizing proteins and cellular structures to prevent degradation during processing. Bouin solution, Helly solution, and Zenker solution are classic fixatives used in histology because they cross-link or precipitate proteins effectively, preserving tissue architecture for staining and analysis. 70% alcohol, while it can act as a mild fixative by precipitating proteins, is primarily used as a dehydrating agent and is not typically listed as a standard fixative for routine tissue fixation in paraffin processing. That’s why it’s the one not listed in the material.

Fixatives preserve tissue by stabilizing proteins and cellular structures to prevent degradation during processing. Bouin solution, Helly solution, and Zenker solution are classic fixatives used in histology because they cross-link or precipitate proteins effectively, preserving tissue architecture for staining and analysis. 70% alcohol, while it can act as a mild fixative by precipitating proteins, is primarily used as a dehydrating agent and is not typically listed as a standard fixative for routine tissue fixation in paraffin processing. That’s why it’s the one not listed in the material.

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