Formalin pigment (acid hematin) is most likely to appear in tissues fixed with:
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Correct answer: Unbuffered acidic formalin
Formalin pigment forms in acidic formalin solutions. It appears as dark brown deposits and can be mistaken for pathological pigment.
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More Artifacts in Histology questions
- Tissue folds observed in a section are most commonly due to:
- Air bubbles trapped under the coverslip are classified as:
- Chatter or "venetian blind" artifact is typically caused by:
- Overfixation of tissue in formalin may lead to:
- Which artifact is commonly seen when tissue dries out before fixation?
- Crush artifact is most frequently associated with: