What fixative is recommended for the Steiner staining procedure?

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Multiple Choice

What fixative is recommended for the Steiner staining procedure?

Explanation:
The fixative you choose shapes how the tissue remains and how the stain interacts with its components. For Steiner staining, a fixative that preserves tissue structure without introducing artifacts or altering the elements the stain highlights is needed. 10% neutral buffered formalin does this well by cross-linking proteins to stabilize architecture while avoiding strong background colors or chemical interactions that could interfere with the Steiner stain. Bouin’s solution, with picric acid, can leave a strong yellow background and alter staining, while Zenker’s solution contains mercuric chloride and can create artifacts that mask or change the stain. Ethanol-fixed tissue can cause dehydration and lipid removal, leading to weaker or inconsistent staining. Therefore, 10% neutral buffered formalin is the best choice for consistent Steiner staining results.

The fixative you choose shapes how the tissue remains and how the stain interacts with its components. For Steiner staining, a fixative that preserves tissue structure without introducing artifacts or altering the elements the stain highlights is needed. 10% neutral buffered formalin does this well by cross-linking proteins to stabilize architecture while avoiding strong background colors or chemical interactions that could interfere with the Steiner stain. Bouin’s solution, with picric acid, can leave a strong yellow background and alter staining, while Zenker’s solution contains mercuric chloride and can create artifacts that mask or change the stain. Ethanol-fixed tissue can cause dehydration and lipid removal, leading to weaker or inconsistent staining. Therefore, 10% neutral buffered formalin is the best choice for consistent Steiner staining results.

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