Question

What is the purpose of staining tissue obtained from biopsies, surgery, autopsies, and frozen sections?

1) To enhance the visibility of cellular structures
2) To identify specific cell types
3) To detect abnormalities or diseases
4) All of the above

Answer 1

Staining tissue enhances visibility of cell structures, identifies specific cell types, and detects abnormalities or diseases, utilizing a range of staining methods for tissue analysis.

Step-by-step explanation:

The purpose of staining tissue obtained from biopsies, surgery, autopsies, and frozen sections is multi-faceted. In essence, staining accomplishes several key objectives:

1. To enhance the visibility of cellular structures by adding contrast, making microscopic details more distinguishable.
2. To identify specific cell types by using stains that bind selectively to particular cellular components.
3. To detect abnormalities or diseases through differences in coloration that indicate chemical or structural changes within the tissue.

These techniques include a variety of staining methods such as simple staining, differential staining, and specialized staining like Gram staining, acid-fast staining, and immunofluorescence, each designed to highlight different aspects of the tissues or cells under observation.