Question

Lipofuscin granules present in nerve cells are actually

• A. Primary lysosomes
• B. Digestive vacuoles
• C. Residual bodies
• D. Newly digested lipids

Answer 1

Answer: (C)

Residual bodies

• Lipofuscin is a fluorescent yellow-brown pigment granule which contains the lipid residues of lysosomal digestion.
  
• It is also known as ageing or wear and tear pigments and is found in the liver, kidney, nerve cells, and ganglion cells etc.
• It is a residual body (vesicles that contain indigestible materials).
• So, the correct answer is 'Residual bodies'.