Additive fixatives - Study guides, Class notes & Summaries

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HTL ASCP Exam- Fixatives Solved 2023. Acetic Acid - ANSWER Non coagulant, penetrates quickly and leaves tissues very soft. Used often as an additive to precipitate and preserve the nucleoproteins and fix the nuclei. Acetic Acid - ANSWER Swells tissues dramatically by breaking collagen bonds and allowing bonds to absorb water. Used as additive to counter-act the shrinking effect of other fixatives. Formaldehyde - ANSWER Non coagulant and additive fixative that reacts with amino groups that...

Fixatives denature proteins by coagulation,by forming additive compounds, or by a combination of coagulation and additive process.

BOC Fixation(Questions and Answers 100% correct. An example of an additive fixative is one that contains: A. Picric Acid B. Acetic Acid C. Ethyl Alcohol D. Acetone Picric Acid When compared with tissue fixed in formalin, tissue fixed in zinc-formalin will show: A. Better ultrastructural preservation B. Decreased immunoreactivity C. Increased enzyme activity D. Superior nuclear detail Superior nuclear detail 00:21 01:08 Microscopic examination of an H&E stained sect...