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Enhances contrast and visualization of tissue components.
Demonstrates tissue constituents through dye interaction.
Basic stains target negatively charged components; acid stains target positively charged ones.
Forms a bridge between dye and tissue to enhance staining.
Selective removal of excess stain to highlight specific tissue components.
Progressive staining builds color gradually; regressive staining removes excess color.
Counterstains cytoplasm and non-nuclear structures, providing contrast.
Stains nuclei blue, allowing visualization of cellular details.
Detects phenotypic markers using antibodies for diagnosis.
Vital staining occurs in living cells; supravital staining is for removed living cells.
Cuts frozen tissue sections for rapid diagnosis.
Remove excess dye to clarify specific structures.
Produces different colors in tissue components compared to the stain.
Enhances visibility of specific structures against the primary stain.
Natural dyes are derived from plants/animals; synthetic dyes are chemically manufactured.
Converts hematoxylin to a stable blue form for better contrast.
Holds specimens in place and preserves them for long-term storage.
Provides detailed visualization of tissue morphology.
Breaks the union of tissue components to enhance clarity.
Cuts frozen tissue sections for rapid diagnosis.
Stains structures rich in carbohydrates, like glycogen.