Thick and thin sections/How do I correct thick and thin sections?

    Thick and thin: Part of the section is thick, and part of the section is thin, reflecting inconsistent staining.


    Causes

    Remedies

    Locking mechanisms loose on microtome

    • Verify locking mechanisms are tight

    Blade tension too tight

    • Loosen tension on the blade

    Dull blade

    • Move blade to an unused area or insert a new blade

    Sectioning too quickly

    • Slow down sectioning speed

    Blade angle too low

    • Increase blade angle at 1-degree increments