Tissue Marking Substances
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Questions and Answers

What is the primary characteristic of a wedge-shaped microtome knife?

  • Hollow ground on one side
  • Plane on both sides (correct)
  • Plane on one side with a steep cutting edge
  • Hollow ground on both sides

    • What type of microtome knife is recommended for sectioning frozen tissue and paraffin wax embedded tissue?

  • Biconcave
  • Tool-edge
  • Planoconcave
  • Wedge-shaped (correct)

    • What type of material is typically sectioned using a tool-edge microtome knife?

  • Very hard materials (correct)
  • Paraffin wax embedded tissue
  • Celloidin embedded tissue
  • Soft tissue

    • What is the primary drawback of using a tool-edge microtome knife for routine sectioning?

    <p>Both a and b</p> Signup and view all the answers

    What is the primary advantage of manual knife sharpening?

    <p>Requires more skill, experience, and time</p> Signup and view all the answers

    What type of microtome knife is used for sectioning tissue embedded in paraffin wax?

    <p>Biconcave</p> Signup and view all the answers

    What is the primary use of a planoconcave microtome knife?

    <p>Sectioning celloidin embedded tissue</p> Signup and view all the answers

    Why are planoconcave microtome knives less frequently used in modern microtomy?

    <p>No specific reason is given in the text</p> Signup and view all the answers

    What is the primary benefit of using a wedge-shaped microtome knife?

    <p>It is suitable for sectioning a variety of materials</p> Signup and view all the answers

    How is knife sharpening commonly carried out?

    <p>Either manually or through automated means</p> Signup and view all the answers

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