HT Histotechnician

Category - Microtomy

Which of the following knives is recommended for Celloidin embedded tissue blocks on a sliding microtome?
  1. Biconcave knife
  2. Plane-Concave knife
  3. Plane-wedge knife
  4. None of the above
Explanation
Answer: B - Plane-Concave knife
The knife that is recommended for Celloidin embedded tissue blocks on a sliding microtome is the Plane-Concave knife. The less concave sides of this knife are used for cutting Celloidin tissue blocks. The other choices are not recommended for celloidin tissue blocks but rather recommended on the paraffin and frozen tissue blocks.
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