What characteristic makes cytoplasm eosinophilic?
Understand the Problem
The question is asking to identify which characteristic makes cytoplasm eosinophilic, indicating a specific property related to the composition or biochemical nature of the cytoplasm that can be stained positively with eosin.
Answer
Acidic components in the cytoplasm bind with eosin dye.
The cytoplasm is eosinophilic because it contains acidic components that bind with eosin dye, which is acidic, leading to a pink to red stain in histological preparations.
Answer for screen readers
The cytoplasm is eosinophilic because it contains acidic components that bind with eosin dye, which is acidic, leading to a pink to red stain in histological preparations.
More Information
Eosin dye is commonly used in the hematoxylin and eosin (H&E) staining method, where eosin provides a pink to red coloration to cell structures like cytoplasm, muscle fibers, and collagen due to their affinity for acidic dyes.
Tips
A common mistake is assuming that the eosin dye used for staining is basic, when it is actually acidic and has an affinity for acidic cellular components.
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