HT Histotechnician

Category - Staining

What staining method involves the technique of decolorization?
  1. Progressive staining
  2. Regressive staining
  3. Direct staining
  4. Indirect staining
Explanation
Answer: B - Regressive staining
The method of staining that involves the technique of decolorization is Regressive staining. In this technique the tissue is first over stained to obliterate the cellular details and the excess stain is removed or decolorized from unwanted parts of the tissue until the desired intensity of color is obtained. All the other options do not involve the technique of decolorization.
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