Knife marks: Vertical lines running through the entire section.
| Causes |
Remedies |
|
Dull blade
|
- Move blade to an unused area or insert a new blade
|
|
Debris on blade
|
|
|
Poor tissue processing
|
- Soak to rehydrate if overprocessed
|
|
Debris in paraffin
|
- Re-embed in fresh paraffin
|
|
Hard specimens such as bone
|
- Adjust time in decal solution
|