Multiple choice

Myelin sheath covers which of the following?

  1. muscle fibre

  2. nerve fibre

  3. collagen fibre

  4. tendon

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Myelin sheath is a layer convering vertebrate nerve fibre. It is produced by flattened cells called Schwann's cells. Myelin serves as insulating material and causes slatatory conduction of impulses.