Adipocytes · Histology

What staining method can be used on frozen sections to demonstrate the lipid content within adipocytes?

  1. Sudan Black or Oil Red O
  2. Silver stain
  3. Periodic Acid-Schiff (PAS)
  4. Toluidine Blue
Show answer and explanation

Correct answer: Sudan Black or Oil Red O

Sudan dyes and Oil Red O are lipid-soluble stains. Since frozen sections do not use the organic solvents that dissolve fat, these stains can directly color the lipid droplets red or black.

Difficulty: Medium Question 8 of 20

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